You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of assistance are you looking for?

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

ASSISTANT: Sure, may I know your name?

USER: Christopher Lewis here.

ASSISTANT: Please wait, I will check the reservation on your name and get back to you.

USER: Ok, sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.