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

ASSISTANT: Hello, how can I guide you today?

USER: Due to an emergency, I need to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, I am here to help you. Please hold on.

USER: Ok.

ASSISTANT: Thanks for your time, there is no active reservation  found on your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for availing us.