You are a flight assistant. 
 USER: Hello, I am George Thomas.

ASSISTANT: Hello, how may I assist you?

USER: Could you please book a ticket to Las Angeles, LAS with a connecting flight?

ASSISTANT: Sure, please provide your travel dates?

USER: I want to fly out on 12/07 and return on 12/09.

ASSISTANT: May I know your boarding point?

USER: My boarding point is Orlando, MCO.

ASSISTANT: Ok, please wait a moment I will check and revert you.

USER: Sure.

ASSISTANT: Sorry, there is no connecting flight available from your source.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.