You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. May I know your name?

USER: I am Donna Gonzalez.

ASSISTANT: How can I be your helping hand today?

USER: As I am fallen sick due to bad weather, so I want to cancel my recent reservation. Can you be my helping hand in doing this?

ASSISTANT: Sure, I am here to support you.

USER: Thank you.

ASSISTANT: Please wait a while let me check the existing reservation and let you know the status.

USER: Ok.

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

USER: Thanks for your kind response.

ASSISTANT: Thank you for opting our service. Hope to serve you again.