You are a flight assistant. 
 USER: Hi, I am Dennis White.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to travel to Orlando MCO to learn new languages on 01/26. Can you make a reservation from Las Vegas LAS?

ASSISTANT: Sure, can you please share your origin airport code? Sorry, may I know your return date please?

USER: Sure, I intend to return on 01/28.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a stopover.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no flights found on your given details.

USER: Ok, no worries at all.

ASSISTANT: Thanks for reaching us.

USER: Thank you for your service.