You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, May I know your name?

USER: I need to cancel my recent reservation due to owing an emergency. Can you please help me with it? My name is Susan Mitchell.

ASSISTANT: Sure, Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found with your name in our data base.

USER: Ok, it's not an issue. Thanks for your response.

ASSISTANT: Thank you for contacting us.