You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my ticket as I am sick.

ASSISTANT: Sure, I will help you in cancelling the ticket. May I know the name to cancel the ticket?

USER: Angela Allen here.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Angela Allen, regret to inform that there is no active reservation found under your name in our database.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.