You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your assistance?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, may I know your name please?

USER: I am Steven Collins.

ASSISTANT: Give me a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for being waiting, we did not find any active reservation in your name to cancel.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for opting us.