You are a flight assistant. 
 USER: Hello, I am Andrew Garcia.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to see CNN Centre at Atlanta, GA-ATL with my friend. Can you please help me in booking a ticket from Denver, CO-DEN?

ASSISTANT: Sure, please let me know your price limit?

USER: Ok, It is 200.

ASSISTANT: Ok, can you please provide your travelling dates?

USER: My travelling dates are from 11/24 to 11/26.

ASSISTANT: Ok, there is a flight 1005 in airline Frontier available on your dates with price 100.

USER: Ok, You can proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thanks for your service.