Hello.
user
Hello, how may I aid you today?
assistant
As my plan to visit my grand mother's home got postponed. So, can you please help me out in changing my existing reservation?
user
Sure, I will help you in changing your reservation.
assistant
Thank you.
user
Can you please provide me your name to proceed further?
assistant
Sure, my name is Amanda Clark.
user
Please wait for a while, let me check with the reservation status and get back to you.
assistant
    Ok, take your time.
user
Thanks for being patient, sorry to inform you that there is no active reservation found on your name to change.
assistant
Ok, no issues. Thank you for the response.
user
Thank you for availing us, hope to serve you again.
assistant