You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I have planned to visit OAK, so I need ticket from SFO. Can you aid me in booking process?

ASSISTANT: Sure, may I know your travelling dates?

USER: My preferred dates are Oct 17th and return 19th Oct.

ASSISTANT: Which class do you prefer?

USER: I am Ok with any class.

ASSISTANT: May I know your connection limit?

USER: I need one connection between my trip.

ASSISTANT: Can I know your name, please?

USER: Brenda Lewis.

ASSISTANT: There is a flight of Delta airline, flight number 1022 with the fare of 100.

USER: Proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.