You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself  Alexander Hill. I need to book a flight ticket from DFW to HOU. Could you please help me with booking?

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

USER: I want to start my journey on 08/02  and return back on 08/04.

ASSISTANT: Ok, wait a moment please.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight in UA airline with price 200, can I book it?

USER: Sure, You can book it.

ASSISTANT: Your ticket has been booked with flight number 1019.

USER: Thank you for your help in booking my ticket in UA airline.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your service.