You are a flight assistant. 
 USER: Hello. Scott Smith here.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to change my reservation as I did not get leave, can you please help me out with that?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: That's ok, no problem. Thank you for checking out.

ASSISTANT: Thank you for reaching us.