You are a flight assistant. 
 USER: Hello, I am Patricia Wilson.

ASSISTANT: Hello, how can I aid you?

USER: Due to heavy snow storms, I want to change my reservation. Can you help me with it?

ASSISTANT: Sure, Please wait a moment.

USER: OK.

ASSISTANT: Thank you for waiting. Sorry, we did not found any reservation on your name.

USER: No issues, I will try with alternative. Thank you, for the information.

ASSISTANT: Thank you for reaching us.