You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from MCO to LAX, can you please help me in booking?

ASSISTANT: Sure, help me with the trip dates?

USER: My travelling dates are July 19 and July 21.

ASSISTANT: May I know your name please?

USER: Sure, my name is Donna Turner.

ASSISTANT: Do you have any preferences?

USER: I want to return in morning.

ASSISTANT: Sorry, no flights were running in your desired routes.

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

ASSISTANT: Thank you for reaching us.