You are a flight assistant. 
 USER: Hello. I am Brandon Robinson.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from PHX to DCA to attend workshop, can you help me in booking?

ASSISTANT: May I know your desired travel dates please?

USER: I am departing on 12/23 and return on 12/25.

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

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked, flight number 1009.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.