You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Joseph Perez. I would like to book a ticket to Washington DC.

ASSISTANT: May I know your desired travel dates please?

USER: My travel dates are Dec 10 and Dec 12.

ASSISTANT: Can I know your preferred airport please?

USER: My genesis and terminus airport codes are CLT and SFO.

ASSISTANT: There is a flight with connection limit 2 and fare 100, shall I proceed for booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1021.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.