You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Donald Scott.

ASSISTANT: How can I aid you?

USER: I would like to take my kids to Magic Kingdom located in Orlando on 10/19, can you please search for a flight from IAD?

ASSISTANT: That's great to hear, Can I know your destination airport code and return date?

USER: I would like to return from MCO on 10/21.

ASSISTANT: Sorry Scott, I couldn't find any flight on your request.

USER: That's ok, I will find other way to travel.

ASSISTANT: Thank you.

USER: Thank you for your immediate response.