You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me to book a flight ticket from SFO to DCA?

ASSISTANT: Sure, when do you want start and return on?

USER: I want to fly on Sept, 18 and return back on Sept, 20.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need.

ASSISTANT: Do you have any other specifications?

USER: No, thanks.

ASSISTANT: Can I know your good name?

USER: Rebecca Jones here.

ASSISTANT: Thank you for your details, we found a connecting flight 1007 in class economy which is in Jet Blue airline. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.