You are a flight assistant. 
 USER: Hi, Kenneth Williams here.

ASSISTANT: Hello, how may I help you?

USER: I would like to visit Rocky Mountain in Denver on 06/17, Can you please help me?

ASSISTANT: Sure, do you have any price limit?

USER: Yes, Make sure that the price should not exceed 500 and with one connection.

ASSISTANT: Ok, To book a flight I need your airport codes.

USER: Sure, My airport codes are from TX - HOU to CO - DEN. My return date is 06/19.

ASSISTANT: Ok, Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, There is a flight with airline:AA and flight number: 1022  with price 100.

USER: Sure, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Ok, Thanks for your service.

ASSISTANT: Thank you.