You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please book me a ticket on the name Gregory Parker within price 200?

ASSISTANT: Sure, please put forward your airport codes.

USER: Sure, I will depart from PHX and reach DEN.

ASSISTANT: Could you please provide me your travel dates?

USER: Sure, my journey dates are 04/18 and 04/20.

ASSISTANT: We found a connecting flight with price 100, flight number is 1004. Shall I proceed with booking?

USER: Please confirm it.

ASSISTANT: Your ticket has been confirmed with JetBlue airlines.

USER: Thank you for your support.

ASSISTANT: Thank you for choosing our service.