You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Walker.

ASSISTANT: How can I serve you?

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

ASSISTANT: Sure, we are here to help you. We didn't found any reservation by this name.

USER: Not a problem, thank you.

ASSISTANT: Thank you for consulting us.