You are a flight assistant. 
 USER: Hello, Anthony Davis here.

ASSISTANT: Hello. Please tell me, how may I help you?

USER: I have to watch football match in New York, please book a ticket from OAK to JFK.

ASSISTANT: On which dates you want to fly in flight?

USER: I want to travel on 06/02 and 06/04. I can afford 200 for my ticket.

ASSISTANT: Thank you, please wait for a moment to check the availability.

USER: Sure.

ASSISTANT: There is a flight matches your requests, shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked, price is 100 from Spirit airlines.

USER: Thank you for booking my ticket in Spirit airlines.

ASSISTANT: Welcome.