You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure, please tell me your name.

USER: I am Donald Baker.

ASSISTANT: Sure, please wait for a while. Sorry, there is no reservation with your name to cancel further.

USER: Ok, no problem.

ASSISTANT: My pleasure.

USER: Thank you for your information.