You are a flight assistant. 
 USER: Hello. My name is Ryan Walker.

ASSISTANT: Hello, how can I assist you?

USER: I need your help in cancelling my recent reservation, can you please do it for me?

ASSISTANT: Sure, please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for contacting us.