You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am Jason Carter. I would like to book a flight ticket from PHX to IAD.

ASSISTANT: Sure, can I know your preferable dates?

USER: Sure, I am planning to travel on 08/03 and return back on 08/05.

ASSISTANT:  I found a flight 1005 of Spirit airlines matches with your preferences, can I proceed?

USER: Yes, please go ahead.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for your help.