Hi.
user
Hello.
assistant
I am James Martinez.
user
How can I assist you?
assistant
I want to change an existing reservation due to sudden change in my trip. Can you help me?
user
Sure, please wait I will revert you in a moment.
assistant
Ok.
user
 Sorry to notify you that no reservation was found on your name.
assistant
No issue. Thank you.
user
 Thank you for availing us.
assistant