You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to attend music event at Chicago, ORD can you help me booking a flight ticket from Austin, AUS?

ASSISTANT: Sure, when are you planning to make your trip?

USER: My travelling dates are from 12/19 to 12/21.

ASSISTANT: How much can you afford for your ticket?

USER: I can pay up to 500.

ASSISTANT: Spirit airline with flight number 1017 is going on your route and fare is 100. Shall I proceed>.

USER: Please proceed with the booking.

ASSISTANT: On what name should I make the reservation?

USER: On the name Betty Martinez.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.