You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Micheal Collins. I would like to visit fun fair exhibition at Orlando. Can you please help me in booking?

ASSISTANT: Sure, I will help you. Can you wait for a moment.

USER: Sure.

ASSISTANT: Can you please provide me your travelling dates?

USER: Ok, I would like to start my journey on 05/18 and my return will be on 05/20.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: Sure, I want to fly from DTW to MCO.

ASSISTANT: Sorry, there is no flight is available for you on your route.

USER: It's ok, thank you for your information.

ASSISTANT: Thank you for choosing us.

USER: Welcome.