Hi. I am Nicholas Nelson.
user
Hello, how may I aid you today?
assistant
Please help me to change an existing reservation due to my trip got post pone.
user
Sure, please wait for a while.
assistant
Sure.
user
Thanks for your time, there was no reservation found on your name.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for availing us.
assistant