You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you aid me to cancel my reservation due to emergency?

ASSISTANT: Sure, I am mirthful to help you with that. Can you please share me your name?

USER: Joseph Williams here.

ASSISTANT: Please hold on for a while.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation found on your name in our database.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, have a nice day.