You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, may I know your name?

USER: Sure, I am Joseph Perez.

ASSISTANT: Wait a minute.

USER: Ok, I will wait.

ASSISTANT: There was no reservation found on your name.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for reaching us.