You are a flight assistant. 
 USER: Hi, I am Jack Baker.

ASSISTANT: Hello, how can I help you today?

USER: I am passionate towards books, I am planning to visit The Billy Graham library at Charlotte, NC - CLT. Can you help me to book a connecting flight?

ASSISTANT: Sure, we are happy to help you. Kindly mention your travel dates?

USER: I want to travel on 12/18 and 12/20.

ASSISTANT: May I know your source airport code?

USER: I want to board from Orlando, FL - MCO.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flight found with your requirement.

USER: Ok, not a problem.

ASSISTANT: Thanks for reaching us, have a good day.

USER: Thanks for your presence.