You are a flight assistant. 
 USER: Hello!. Nancy Young here.

ASSISTANT: Hello, how can I be your assistance?

USER: Could you please help me in reserving a ticket from NV-LAS to CA-OAK.

ASSISTANT: Sure, please provide your travelling dates?

USER: OK. My intend travel dates are 03/29 and 03/31.

ASSISTANT: Ok. is there any price limit?

USER: The price limit is 500.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with the fare of 200 of UA airline matching to your credentials. Shall I confirm with this booking?

USER: OK. Please proceed with the booking.

ASSISTANT: Your flight has been confirmed with the flight number 1017.

USER: OK. Thank you for your service.

ASSISTANT: Thanks for availing us.

USER: Have a nice day.