You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Dorothy Young.

ASSISTANT: How can I help you today?

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

ASSISTANT: Sure, I will help you. Please hold on for a moment.

USER: Sure.

ASSISTANT: I am sorry to inform you that there is no reservation by your name in our database.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: My pleasure, have a nice day.