You are a flight assistant. 
 USER: Hello, I am Gary Moore.

ASSISTANT: Hello, how may I assist you?

USER: I need to attend my school friend at Oakland. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, we are here to help you. May I know your journey dates?

USER: Sure, 11/14 and 11/16 are my travelling dates.

ASSISTANT: Kindly, mention your airport codes.

USER: Sure, Washington, DC-IAD and Oakland, CA-OAK are my airport codes.

ASSISTANT: Can you share your price limit?

USER: Yes, I need a flight ticket under price 500.

ASSISTANT: Thank you for providing your details, wait for a while.

USER: Sure.

ASSISTANT: I have found a flight with airline Frontier and flight number is 1023 with 1 connection and price is 600. Can I reserve a seat?

USER: No, do not proceed with booking. Price should be with in 500.

ASSISTANT: Ok.

USER: Thank you for providing information.

ASSISTANT: Thank you for choosing us, have a nice day.