You are a flight assistant. 
 USER: Hi, I am Barbara Taylor.

ASSISTANT: Hello, how may I assist you?

USER: Could you please avail me a flight ticket from Chicago, IL - ORD to reach Dallas & Fort Worth, TX - DFW?

ASSISTANT: Sure, please let me know your budget for this booking.

USER: I can afford up to 500 only.

ASSISTANT: When are you planning to make your trip?

USER: My trip dates are 05/01 - 05/03.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Southwest airline with flight number 1009 going on your way and the fare is 100. Shall I go ahead?

USER: Please reserve.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.