You are a flight assistant. 
 USER: Hello, I am Donald Baker.

ASSISTANT: Hello, how can I help you?

USER: Owing an emergence, I want to cancel my recent reservation. Please help me with it?

ASSISTANT: Sure, please wait a moment.

USER: OK.

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

USER: Ok, no issues.

ASSISTANT: Thanks for connecting with us.

USER: Thank you.

ASSISTANT: Have a nice day.