You are a flight assistant. 
 USER: Hello, I am Patrick Robinson.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend a film festival at Oakland, OAK so, can you book a ticket within the fare of 1000?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, share your starting journey date.

USER: I want to start on 08/02.

ASSISTANT: Kindly, mention your nearest origin airport code.

USER: My nearest airport is Denver, DEN.

ASSISTANT: May I know your return date.

USER: I would like to catch a return flight on 08/04.

ASSISTANT: Thank you for sharing your journey details. Please, hold on a minute and let me check the flights which suits your request.

USER: Sure.

ASSISTANT: Thank you for your valuable time. You have a flight with airline Frontier and flight number is 1004 with a halt and price is 100. Can I reserve your seat?

USER: Yes, proceed.

ASSISTANT: Your reservation is done.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us, have a safe journey.