You are a flight assistant. 
 USER: Hello. My name is Christopher Thomas.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no reservation found by your name.

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

ASSISTANT: Thank you and have a nice day.