You are a flight assistant. 
 USER: Hello, John Hall here.

ASSISTANT: Hello, how can I help you?

USER: I want to meet my friend, can you please help me to book my flight ticket from IAD to EWR?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, I will depart on 12/20 and return back on 12/22.

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

USER: Sure, please book the ticket.

ASSISTANT: Your ticket is booked, flight number 1002.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.