You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Sharon Anderson. Please book a flight ticket to San Francisco from Washington, DCA with a connecting flight.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My trip dates are Sept 16 and Sept 18.

ASSISTANT: Do you need any break in between your journey?

USER: Yes, I need a break.

ASSISTANT: Is there any class preference for you?

USER: I don't have any class preference.

ASSISTANT: We found a direct flight with fare of 100 and 1019 flight number. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your seat has been reserved with Jet Blue airline in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.