You are a flight assistant. 
 USER: Hello, I am Eric Young.

ASSISTANT: Hello, how do I aid you?

USER: I am planning to visit 16th street mall to complete my birthday shopping.So, can you please book a flight ticket from Charlotte, CLT to Denver, DEN?

ASSISTANT: May I know your travel dates?

USER: I would like to travel on 02/24 to 02/26.

ASSISTANT: Do you have any other requirements?

USER: My budget limit is 200. I need a lay by in between my journey.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is flight on UA airline with 200 price, flight number as 1020.

USER: You can reserve this flight.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for reserving flight ticket for me.

ASSISTANT: Thanks for reaching us.