You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Paul Johnson. I am planning to book a ticket from IAH. Can you please help me out to book a ticket?

ASSISTANT: Sure, on which dates you would like to travel?

USER: I would like to travel on 07/02 and return back on 07/04.

ASSISTANT: Ok, may I know your destination code to proceed further?

USER: My destination code is IAH.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Ok, there is a flight 1002 in Southwest airline matching your details with price 100. Shall I proceed?

USER: Yes, you can book it.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe journey.