You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I would like to change my reservation due to bad weather condition at my destination location, can you please help me with that?

ASSISTANT: Sure, please let me know your name.

USER: Myself Donald Scott.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: That's ok, no issues. Anyway thank you for checking out.

ASSISTANT: Thank you for opting us.