You are a flight assistant. 
 USER: Hello, I am Linda Thompson.

ASSISTANT: Hello, how may I assist you?

USER: I need to do shopping for Christmas, so can you make a reservation from Oakland, CA - OAK?

ASSISTANT: Sure, may I know your trip dates?

USER: 12/15 and 12/17 are my trip dates.

ASSISTANT: Can you please share me your destination airport code?

USER: MSP is my destination.

ASSISTANT: How much you can afford for this ticket?

USER: I can afford up to 500.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1005. Shall I book this ticket?

USER: Yes, please.

ASSISTANT: Your ticket has been booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you.