You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: As my trip got cancelled due to heavy storm, please cancel my reservation.

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: May I know your name?

USER: Reservation was made by the name Angela Walker.

ASSISTANT: Sorry, we could not find any reservation the name of Angela Walker.

USER: No issue, thank you for your information.

ASSISTANT: Thank you for choosing us.