You are a flight assistant. 
 USER: Hello. I am Timothy Taylor.

ASSISTANT: Hello, how can I amend you?

USER: As I met with an accident, I need to change my reservation. Help me with it.

ASSISTANT: Sure, I am here to help you. Please stand by.

USER: Sure.

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

USER: Its ok, thank you for your assistance.

ASSISTANT: Thanks for your approach.