Hi. I am Kenneth Lewis.
user
Hello Lewis, how may I help you today?
assistant
I need to change my existing reservation as my plan to go for heritage tour got postponed. Can you help me in changing?
user
Sure, I am here to help you with this.
assistant
Thank you.
user
Sorry Lewis, there is no reservation found as per your name to change your reservation.
assistant
That's Ok, thanks for your response.
user
You are welcome.
assistant