You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephen Mitchell.

ASSISTANT: How can I provide assistance for you?

USER: Please help me in cancelling my recent reservation, as my football match got cancelled.

ASSISTANT: Sure. Please wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry to inform you that, there is no reservation exists on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for availing us.

USER: Thank you for your help.