You are a flight assistant. 
 USER: Hello, I am Nicholas White.

ASSISTANT: Hello Nicholas, how can I help you?

USER: I need to visit Disney's Typhoon Lagoon water park at Orlando. Can you please book me a flight ticket?

ASSISTANT: Sure, can I know your trip dates please?

USER: I will start on 09/11 and return on 09/13. Make sure that I need one connection.

ASSISTANT: Ok, can I know your airport codes?

USER: My journey points are starting at Denver, CO - DEN to Orlando, FL - MCO within the price limit of 1000.

ASSISTANT: Just wait for a moment.

USER: Ok.

ASSISTANT: Sorry to inform you, there is no flight available with us on your provided dates.

USER: Ok, no issue. Thanks for your information.

ASSISTANT: You are welcome.