You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I want to cancel my recent reservation, because recently I got an accident as per doctor said I have to take rest for few months. will you help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: My name is Amanda Harris.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contacting us.