You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation due to sudden change in my trip.

ASSISTANT: Sure, may I know your name?

USER: I am Jennifer Scott.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation found on done previously on your name.

USER: No issue.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your quick response.