You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: Ok, please help me with your name to check the airline status.

USER: My name is Dennis Collins.

ASSISTANT: Sorry Dennis, there is no reservation found with your name.

USER: Thank you.

ASSISTANT: Thank you for approaching us.