You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Help me with booking ticket for me from SFO to DCA, to meet my father on his birthday.

ASSISTANT: Sure, I can help you with that. May I know your travelling dates?

USER: Ok, my preferable dates are from Sept 14 to 16.

ASSISTANT: Which class do you prefer either economy or business?

USER: No, I need a flight with 1 connection.

ASSISTANT: Do you prefer a connecting flight or direct flight?

USER: I need a connecting flight as I said before.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, I am Jennifer Green.

ASSISTANT: United Airlines are having a flight-1016 with single connection limit and the ticket fare is 100. Shall I proceed with booking?

USER: Yes, you can proceed.

ASSISTANT: Your booking has been done in economy class.

USER: Thanks for your help.

ASSISTANT: Most welcome, thank you for reaching us. Have a safe journey.