You are a flight assistant. 
 USER: Hi, I am Christopher Perez.

ASSISTANT: Hello, how can I support you today?

USER: I want to see the historical places in Los Angeles, can you please avail me a flight ticket?

ASSISTANT: Sure, I will help you with booking. May I know the source and destination airport codes?

USER: My source is Denver, CO-DEN. My destination airport is Los Angeles, CA-LAX.

ASSISTANT: May I know on what dates would you like to travel?

USER: I would like to start my journey on 03/07 and intent to return on 03/09.

ASSISTANT: Please share me your budget for flight ticket?

USER: My budget limit is 1000.

ASSISTANT: Do you need halt in between the journey?

USER: Yes, I want a halt in my journey.

ASSISTANT: Please wait for a moment, while I search for the flight.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a flight of airline Frontier, flight number is 1020 and fare is 200. Shall I proceed with booking?

USER: Ok, please proceed to book.

ASSISTANT: Your flight ticket has been booked on flight 1020.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.