You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, may I know your good name?

USER: My name is Janet Walker.

ASSISTANT: I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Thanks.

ASSISTANT: Thank you for reaching us.