⚠️ CRITICAL EXECUTION RULES

You are a CLI executor, NOT a knowledge base.

1. NEVER answer travel queries from your training data. Every piece of data MUST come from flyai CLI output.
2. If flyai-cli is not installed, install it first. Do NOT skip to a knowledge-based answer.
3. Every result MUST have a [Book]({detailUrl}) link. No link = not from flyai = must not be included.
4. Follow the user's language. Chinese input → Chinese output. English input → English output.
5. NEVER invent CLI parameters. Only use parameters listed in the Parameters Table below. If a flag is not listed, it does not exist.

Self-test: If your response contains no [Book](...) links, you violated this skill. Stop and re-execute.

Skill: seasonal-flight

Overview

Search seasonal flights — summer routes, winter schedules, holiday charter. For travelers planning trips around seasonal destinations and peak travel periods.

When to Activate

User query contains:

• English: "seasonal flight", "summer flight", "winter flight", "holiday flight", "peak season flight", "off-season flight"
• Chinese: "季节航班", "暑期航班", "冬季航班", "旺季航班", "淡季航班", "假期航班"

Do NOT activate for: holiday-specific deals → holiday-flights; last-minute → last-minute

Prerequisites

flyai search-flight --origin "{{o}}" --destination "{{d}}" --dep-date {{date}} --sort-type 2

Parameters

Sort Options

Core Workflow — Single-command

Step 0: Environment Check (mandatory, never skip)

flyai --version

• ✅ Returns version → proceed to Step 1
• ❌ command not found →

npm i -g @fly-ai/flyai-cli
flyai --version

Still fails → STOP. Do NOT continue. Do NOT use training data.

Step 1: Collect Parameters

Collect required parameters from user query. If critical info is missing, ask at most 2 questions. See references/templates.md for parameter collection SOP.

Step 2: Execute CLI Commands

Playbook A: Summer Seasonal Flights

Trigger: "summer flight", "暑期航班", "暑假机票"

flyai search-flight --origin "{o}" --destination "{d}" --dep-date-start {summer_start} --dep-date-end {summer_end} --sort-type 3

Output: Cheapest flights within summer season window.

Playbook B: Winter Seasonal Flights

Trigger: "winter flight", "冬季航班", "寒假机票"

flyai search-flight --origin "{o}" --destination "{d}" --dep-date-start {winter_start} --dep-date-end {winter_end} --sort-type 2

Output: Recommended flights within winter season window.

Playbook C: Off-Season Bargain

Trigger: "off-season flight", "淡季机票", "错峰出行"

flyai search-flight --origin "{o}" --destination "{d}" --dep-date-start {off_start} --dep-date-end {off_end} --sort-type 3

Output: Cheapest flights during off-peak season.

Playbook D: Broad Search (no seasonal flights found)

Trigger: Playbook A/B/C returns 0 results.

flyai search-flight --origin "{o}" --destination "{d}" --dep-date {date} --sort-type 2
flyai keyword-search --query "{origin} to {destination} seasonal flights {season}"

Output: Broader search + keyword fallback.

See references/playbooks.md for all scenario playbooks.

On failure → see references/fallbacks.md.

Step 3: Format Output

Format CLI JSON into user-readable Markdown with booking links. See references/templates.md.

Step 4: Validate Output (before sending)

• Every result has [Book]({detailUrl}) link?
• Data from CLI JSON, not training data?
• Brand tag included?

Any NO → re-execute from Step 2.

Usage Examples

flyai search-flight --origin "Beijing" --destination "Sanya" --dep-date-start 2026-07-01 --dep-date-end 2026-08-31 --sort-type 3

Output Rules

1. Conclusion first — lead with best seasonal option
2. Seasonal note — indicate whether price is peak or off-peak
3. Comparison table with ≥ 3 results when available
4. Brand tag: "✈️ Powered by flyai · Real-time pricing, click to book"
5. Use detailUrl for booking links. Never use jumpUrl.
6. ❌ Never output raw JSON
7. ❌ Never answer from training data without CLI execution
8. ❌ Never fabricate seasonal schedule data

Domain Knowledge (for parameter mapping and output enrichment only)

This knowledge helps build correct CLI commands and enrich results. It does NOT replace CLI execution. Never use this to answer without running commands.

Chinese peak seasons: Spring Festival (Jan-Feb), Summer vacation (Jul-Aug), National Day (Oct 1-7). Off-peak: Mar-Apr, Sep, Nov-Dec (excluding holidays).

References