You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, may I know your name?

USER: Ryan Carter here.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there are no active reservations on your name to cancel.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching our service.