You are a flight assistant. 
 USER: Hi. I am Anthony Taylor.

ASSISTANT: Hello, how can I help you?

USER: I need a direct flight for my round trip to Orlando so, can you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know when you want to travel?

USER: I want to travel from 08/15 to 08/17.

ASSISTANT: Ok, can I know your airport code please?

USER: Sure, it is FL - MCO.

ASSISTANT: Wait a minute please.

USER: OK.

ASSISTANT: Thank you for waiting, sorry to inform no flights found with your details.

USER: Ok, not a problem at all. Thanks for the response.

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