You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jonathan Carter here.

ASSISTANT: How can I assist you Carter?

USER: I want to enjoy this weekend in Dallas, so can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, can I know the travel dates please?

USER: I am planning to go on 07/16 and please book a return ticket on 07/18.

ASSISTANT: Could you provide the airport codes please?

USER: Sure, I want to travel from HOU to DFW.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

ASSISTANT: I found a flight with price 200 in AA airlines, can I proceed?

USER: If it is single connected flight, you can proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.

USER: Welcome.