Hi,. I am Katherine Clark.
user
Hello, How can I serve you?
assistant
Please, change my earlier reservation as my trip got postponed.
user
Sure, We are here to help you.
assistant
Thank you.
user
Please wait.
assistant
Sure.
user
Thanks for waiting.
assistant
Ok.
user
There is no reservation found on your name.
assistant
Ok, thank you for help.
user
Thank you.
assistant