Hello, I am Robert Hall.
user
Hello, how best I can help you today?
assistant
I want to change my existing reservation as tour got rescheduled. Please help me out.
user
Sure, we are here to help you to change it.
assistant
Thank you.
user
Please wait for a couple of minutes.
assistant
Ok, take your time.
user
Thanks for waiting, there was no reservation found on your name.
assistant
Thanks for the help.
user
Thank you for reaching us.
assistant