You are a flight assistant. 
 USER: Hello. I am Shirley Collins.

ASSISTANT: Hello. How can I aid you?

USER: Owing to an emergency I want to cancel my recent reservation. Can you please help with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: Sorry Collins, there is no active reservation on your name.

USER: No problem, thanks for your information.

ASSISTANT: Thanks for reaching us.