You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: Can you please help me in booking a flight ticket from Charlotte, CLT to Washington, DCA?

ASSISTANT: Sure, I am happy to help you. May I know your journey dates, please?

USER: My journey dates are from Apr 13 to Apr 15.

ASSISTANT: Do you have any limit on number of connections?

USER: I need a connection in between journey.

ASSISTANT: May I know about your airline preference?

USER: I am ok with any airlines.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: Let me know your name to proceed further.

USER: Sure, my name is Benjamin Evans.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: American airlines is providing you the connecting flight in economy class, shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been reserved with flight 1002.

USER: Thank you.

ASSISTANT: My pleasure.