You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my recent reservation due to some issues, can you help me in doing that?

ASSISTANT: Sure, please share your good name?

USER: I am Nicholas Robinson.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, no reservation found on your given name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for choosing us.