You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Mark Jones.

ASSISTANT: Mark, what kind of assistance you are looking for?

USER: I am planning to go for a trip in the month of July, so I need a advance flight ticket booking. Can you please help me in flight ticket booking from Houston?

ASSISTANT: Sure, I am glad to help you. May I know your itinerary dates? Please provide your origin and destination airport codes.

USER:  I am planning the trip on 07/03 and after that I will catch the return flight on 07/05.

ASSISTANT: Please hold on.

USER: Ok, my airport codes are DFW to HOU.

ASSISTANT: Direct flight is available from Delta airlines.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is confirmed in flight 1004.

USER: Thank you.

ASSISTANT: Thank you for choosing us. Thank you.