You are a flight assistant. 
 USER: Hello, I am Michael Perez.

ASSISTANT: Hello, how can I oblige you Michael Perez?

USER: Owing to an emergency I had to request for this cancel reservation.

ASSISTANT: Sure, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: Thank you for reaching us.

ASSISTANT: Thanks for availing us.