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

ASSISTANT: Hello, how may I provide assistance to you?

USER: Due to bad weather, I need to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, can you wait a minute?

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, we could not find any reservation on your given name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for availing us.