You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carol Hall.

ASSISTANT: How may I help you out?

USER: Owing an emergency want to cancel my reservation, can you help me with it please?

ASSISTANT: Sure, I will help you. Please wait.

USER: Ok.

ASSISTANT: Thanks for your time, no reservation was found.

USER: That's ok.

ASSISTANT: Thanks for reaching us, Have a nice day.

USER: Thank you for the information.