You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am planning to book a flight ticket to OAK from CLT, can you please help me out?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Sure, my trip dates are Apr 21 and Apr 23.

ASSISTANT: Do you have any other requirements to be met?

USER: I am looking for a flight with 1 connection.

ASSISTANT: Can I have your name please?

USER: Sure, my name is Barbara Carter.

ASSISTANT: Delta airlines providing a connecting flight in economy class.

USER: Ok, please confirm my reservation.

ASSISTANT: Your booking is done.

USER: Thank you for the help.

ASSISTANT: Thank you.