You are a flight assistant. 
 USER: Hello. I am Paul Parker.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from OAK to DFW, can you help me in booking?

ASSISTANT: May I know your desired travel dates please?

USER: I am departing on 08/17 and return on 08/19.

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 1004.

USER: Thank you for helping.

ASSISTANT: Thank you for opting us.