You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, can you share me your good name to proceed further?

USER: I am Elizabeth Evans.

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 opting us.