You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I am looking for a flight from SFO to DCA, can you help me?

ASSISTANT: Sure, could I have your trip dates, please?

USER: My trip dates are 09 to 11 of Jan.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: For booking purpose I required your name, can I know your name?

USER: I am Christine Lewis.

ASSISTANT: We found a connecting flight 1012 from United airlines has fare 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking has been processed.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.