You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I support you?

USER: Please cancel my recent reservation which I have done with my name.

ASSISTANT: Could you please mention your name to proceed further.

USER: Sure, I am Joseph Allen.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

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

USER: Ok, it might me cancelled by my brother. Thanks for checking.

ASSISTANT: Most welcome, have a great day.