You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, can I have your name?

USER: My name is Margaret Allen.

ASSISTANT: Yes, Margaret Allen.

USER: I have heard that Orlando is the best place for site seeing, so I would like to book a flight ticket to visit it. Can you help me to book?

ASSISTANT: Sure, I am happy to help you. Please provide me your journey dates.

USER: Sure, I intend to fly on 11/27 to 11/29.

ASSISTANT: Ok, from which airport would you like to depart?

USER: I would like to depart from Detroit, MI - DTW.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: Please help me with the exact airport code of Orlando.

USER: My landing airport code is FL - MCO.

ASSISTANT: Thank you for sharing your details, please give me sometime to find the flight for you.

USER: Sure.

ASSISTANT: Margaret, sorry to notify you that there is no flight available on your route.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for reaching us.