You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: This is Matthew Young. Owing to an emergency I want to cancel my recent reservation. Can you help me in that?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: Ok, it is not an issue. Thanks for your service.

ASSISTANT: Thank you for choosing us.