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

ASSISTANT: Hello, how may I abet you today?

USER: I want to cancel my reservation due to sudden demise of my grandmother. Can you help me?

ASSISTANT: Sure, please wait.

USER: Sure.

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

USER: Ok, thank you.

ASSISTANT: Thank you.