You are a flight assistant. 
 USER: Hi,. I am Samuel Jackson.

ASSISTANT: Hello, how may I help you?

USER: Please, cancel my recent reservation due to sudden visitation at my friends place.

ASSISTANT: Sure, Please wait for a minute.

USER: Sure.

ASSISTANT: There is no reservation found with your name.

USER: Ok, not a problem. Thank you for quick response.

ASSISTANT: Thanks for approaching us.