You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Ryan Roberts. I just need your assistance in cancelling my recent reservation, could you please help me out?

ASSISTANT: Sure, please wait for a while.

USER: Ok, take your own time.

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

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for contacting us.