You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am John Clark.

ASSISTANT: How can I help you?

USER: I would like to book a ticket from IAD to BOS, as I need to attend my farewell party?

ASSISTANT: May I know your desired travel dates please?

USER: My journey dates are 05/07 to 05/09.

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

USER: You can book it.

ASSISTANT: Your ticket is booked, flight number 1021.

USER: Thank you.

ASSISTANT: Thank you for opting us.