You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Please help me in booking flight ticket from OAK to DEN to meet family.

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are Sept 15 to Sept 17.

ASSISTANT: Do you need a single connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please, provide your name.

USER: Janet Green here.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: There is a flight of Delta airline, flight number 1016 with the fare of 200.

USER: You can proceed.

ASSISTANT: Shall I proceed?

USER: Sure.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.