You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello.

USER: I am Karen Martin.

ASSISTANT: How may I assist you?

USER: I am planning to travel from DTW to OAK, help me in booking a flight?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My travelling dates are 08/12 to 08/14.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: JetBlue airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Proceed for booking.

ASSISTANT: Your ticket is booked with the flight-1003.

USER: Thank you.

ASSISTANT: Thank you for reaching us.