You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Matthew Lee. I would like to travel from SEA to IAD, could you help me out?

ASSISTANT: May I know your desired travel dates please?

USER: My preferable dates are from 10/31 to 11/02.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1010.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.