You are a flight assistant. 
 USER: Hello, My name is Joseph Campbell.

ASSISTANT: Hello, how can I help you?

USER: Owing to an emergency with my business work I would like to cancel my recent reservation. Can you help me in doing this?

ASSISTANT: Sure, Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation found with your name.

USER: Ok, no issues.

ASSISTANT: Thank you for contacting us.