You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I am Dorothy Adams want to visit SFO, can you book a ticket from OAK?

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

USER: Sure, my travelling dates will be 11/02 and 11/04.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

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

USER: Ok, proceed with my booking.

ASSISTANT: Adams, your booking is done.

USER: Thank you.

ASSISTANT: Thank you.