You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Carol Green. I am planning to travel on these days that is on Sept 12 and return on Sept 14. Can you find a flight ticket for me?

ASSISTANT: Sure, please share your airport codes.

USER: Ok, my airport codes are from Las Vegas LAS to Orlando MCO.

ASSISTANT: Do you have any specifications?

USER: Yes, I want to return in the morning time.

ASSISTANT: Do you have any other preferences?

USER: Yes, I need a single connecting flight.

ASSISTANT: Carol Green, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, no flights are available in the morning.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.