You are a flight assistant. 
 USER: Hi, I am Thomas Lee.

ASSISTANT: Hello, how can I support you?

USER: I need to book a flight ticket from Houston IAH to enjoy music festivals in Denver. Can you make a reservation to DEN?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, I need to depart on 11/26 and 11/28.

ASSISTANT: Ok, please provide your price limit.

USER: My price is 500.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, There is a flight found in 1014 UA airline with a price of 100.

USER: Please proceed to book.

ASSISTANT: Sure, your ticket has been reserved.

USER: Thank you for your support.

ASSISTANT: Thank you for choosing us.