You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Nancy Lee.

ASSISTANT: Ok.

USER: I have to attend my business meeting in DFW from HOU, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you with that. May I know the travelling dates?

USER: My preferable travelling dates are from 11/06 to 11/08.

ASSISTANT: Nancy, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight 1012 in Delta airline has the price 100. Shall I proceed with this booking?

USER: Yes, please book my ticket.

ASSISTANT: Your ticket has been booked. Thank you for choosing us, have a nice day.

USER: Thank you.