You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Mark Lee here, can you find a flight?

ASSISTANT: Sure, I can help you. Can I know your details like source and destination?

USER: I am planning to visit my school friend after a long time in MCO, I am located at ORD.

ASSISTANT: Ok, please provide your preferable journey dates.

USER: I prefer to travel on 11/13 and 11/15. I want 1 connection limit.

ASSISTANT: Sorry Mark, we could not found any flight on your requested dates.

USER: Oh! that's fine.

ASSISTANT: Thanks for approaching us with your query.

USER: Thank you for your help and support.

ASSISTANT: Have a great day Mark Lee . Our pleasure.