You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you  please book a flight ticket from CLT to OAK?

ASSISTANT: May I know your travel dates?

USER: Thank you. I have planned my travel  dates as Aug 14 and Aug 16.

ASSISTANT: Do you have any connection limit preferences?

USER: I am looking for single connecting flight.

ASSISTANT: Is there any other concern?

USER: I would prefer economy class to travel so please make sure that.

ASSISTANT: May I know your name please?

USER: Sure, myself Catherine Perez.

ASSISTANT: United Airline is providing the connecting flight and the fare of 200.

USER: That is fine, please proceed  with booking.

ASSISTANT: Your reservation is confirmed for the flight 1013.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.