Hello.
user
Hello. How can I aid you?
assistant
I am Justin Turner. Can you please help me in changing my existing reservation, as my football match got postponed to some other date.
user
Sure, We are here to help you.
assistant
Thank you.
user
Please wait a while.
assistant
Sure.
user
  Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to change it.
assistant
No problem, thanks for your information.
user
Thank you for choosing us.
assistant