You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I want to attend a business meeting at Los Angeles,can you please help me in booking?

ASSISTANT: Sure, may I know your travelling details please?

USER: Sure, My airport codes are from FL-MCO to CA-LAX. My travel dates are from 01/19 to 01/21.

ASSISTANT:  To proceed further, may I know your name?

USER: Sure,I am Michelle Nelson.

ASSISTANT: Sorry for the inconvenience, there were no flights found with your preferences.

USER: Ok.No problem. Thank you for your great service.

ASSISTANT: Thank you for reaching us, have a good day.