You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I have made a reservation earlier to visit my Hometown, but due to bad weather conditions there, I need to change my reservation. Will you please help me in this?

ASSISTANT: Sure, may I know your good name?

USER: Thank you for accepting my request. My name is Gary Parker.

ASSISTANT: Please wait for a moment.

USER: Sure.

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

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.