You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I am Ryan Gonzalez. I want to participate in the multi-car 50 mile canyon road test drive, which is going to be held at Denver. Can you book me a ticket within the range 200?

ASSISTANT: Sure, please let me know your planned dates.

USER: I want to travel on 07/17, and need to catch return flight on 07/19.

ASSISTANT: Can I have your airport codes?

USER: It is a round trip to DEN.

ASSISTANT: We found a connecting flight ith price 100, flight number is 1029. Shall I make a move?

USER: Yes, proceed.

ASSISTANT: Your ticket has been confirmed with Spirit airlines.

USER: Thanks for the help.

ASSISTANT: Have a good day.