You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in reserving the ticket from OAK to HOU?

ASSISTANT: Sure, can I have your planned journey dates please?

USER: I would like to travel on Nov 15 and again I will return back on Nov 17.

ASSISTANT: May I know your name please for booking purpose?

USER: Myself Brian Moore.

ASSISTANT: Do you have any connection preference?

USER: I am comfort to travel in direct flight.

ASSISTANT: May I know your other requirements?

USER: No, I don't have any other requirements.

ASSISTANT: Brian Moore, no flights has been found on your preferences.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for choosing us.