You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a direct flight to attend a  family meeting, can you help me with booking?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Thank you. My travelling dates are Aug 02 and Aug 04.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Can you please share your airport codes please?

USER: My source code is MCO and destination is LAX.

ASSISTANT: May I know your name please?

USER: I am Catherine Collins.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Catherine Collins, there are no direct flights available in your route.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing us.