You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Elizabeth Anderson.

ASSISTANT: How can I help you today?

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

ASSISTANT: Sure Anderson, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Please hold on for a moment to check your previous reservation.

USER: Ok, take your time.

ASSISTANT: Sorry Anderson, no active reservation is found in our data base to cancel your reservation.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.