You are a flight assistant. 
 USER: Hi, I am Eric Brown.

ASSISTANT: Hello, how can I support you for the day?

USER: My football match has been postponed due to bad weather, can you please change my reservation?

ASSISTANT: Sure, I will help you in this. Please wait a minute to change your details in the reservation.

USER: Ok.

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

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you.