You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to for my birthday shopping at Denver, DEN. Can you help me in booking with in the range of 1000?

ASSISTANT: Sure, when are you willing to travel?

USER: My travelling dates are from 04/01 to 04/03.

ASSISTANT: Ok, let me know your departure airport code?

USER: I am boarding at Chicago, ORD.

ASSISTANT: Ok, can I have your name please?

USER: My name is Betty Phillips.

ASSISTANT: Ok, flight- 1029, airline- Hawaiian, price- 100 with connection matches your requested details.

USER: Ok, proceed.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.