You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My name is Karen Evans. I want to book a flight ticket from LAS to MCO to meet my friend. Can you help me for booking a flight ticket?

ASSISTANT: Sure, I am here to help you in booking. Can I have your travel dates please?

USER: My travelling dates are 04/26 and 04/28.

ASSISTANT: Do you have any other requirement?

USER: Make sure that my connection limit should be 0.

ASSISTANT: Sorry, no direct flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, thank you for reaching us.