You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you/.

USER: I would like to visit Oakland, please help me in booking a ticket from DEN to OAK.

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

USER: My planned travel dates are 06/07 and 06/09.

ASSISTANT: May I know your name please.

USER: My name is Mary Martin.

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

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is booked with the flight-1006.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.