You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I want to cancel my reservation due to heavy rainfall at my place, can you please help me?

ASSISTANT: Sure, may I know your name to check the reservation?

USER: My name is Carolyn Robinson.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, we couldn't find a reservation on your name.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for contacting us.