You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I am Brenda Williams. I want to book a flight ticket from DFW to CLT. Could you help me in booking?

ASSISTANT: Sure, may I know on what dates will you be travelling?

USER: My travelling dates are from Dec 29-31.

ASSISTANT: Do you prefer to travel in economy class or business class?

USER: I am comfortable with both.

ASSISTANT: At what time would you like to depart and return?

USER: My depart time should be in the morning.

ASSISTANT: How many connections do you need?

USER: I need 1 connecting flight.

ASSISTANT: Ok, please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, currently there are no flights going on your way.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.