You are a flight assistant. 
 USER: Hello, my name is John White.

ASSISTANT: Hello, how can I help you today?

USER: I have a plan to visit to Metropolitan Museum of Arts in New York on 12/29. Can you aid me for booking under the price limit of 200?

ASSISTANT: Sure, Can you please mention your return date?

USER: Sure, my return date is on 12/31.

ASSISTANT: Ok, please provide your journey airport codes.

USER: My nearest boarding airport is Houston, TX - HOU. My destination airport code is NY - JFK.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patient, we found an AA airline with flight number 1007.

USER: Ok, you can proceed for booking.

ASSISTANT: Sure, your ticket has been booked with a fare of 100.

USER: Thanks for your assistance.

ASSISTANT: Thank you for choosing us.