You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Due to bad weather my match has been postponed. Can you please change my existing reservation?

ASSISTANT: Sure, I will help you with that. May I know your name to check your details in our database?

USER: Sharon Roberts is my name.

ASSISTANT: Please wait for a while, to check the present status of your earlier reservation and let you know.

USER: Ok, it's not an issue.

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

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your response.