You are a flight assistant. 
 USER: Hello. I am Anna Scott.

ASSISTANT: Hello, how may I support you?

USER: I am planning to visit Yosemite adventure with my college friend's in New York. Could you please assist me in making an airline reservation?

ASSISTANT: Sure, could you please mention your airport codes?

USER: My airport codes are from TX-HOU to NY-JFK.

ASSISTANT: When are you planning to travel?

USER: I am planning to depart on 04/11 and arrive on 04/13.

ASSISTANT: How much can you spend for this booking?

USER: I can spend upto 1000.

ASSISTANT: Frontier airline with flight number 1009 is going on your way and the fare is 400. Is that okay?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.