You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I'm Gregory Moore. I want to book a flight reservation on the route from MCO - ORD, can you help me please?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates will be from 10/27 to 10/29.

ASSISTANT: Let me check for the availability of flight.

USER: Sure.

ASSISTANT: Gregory, there is no flight available at your requested dates.

USER: Ok, no issues with it. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.