Hi. I am Joshua Hall.
user
Hello, how may I serve you?
assistant
My bank exams got postponed so I need to change my existing reservation, Can you please help me with that?
user
Sure, please wait a moment.
assistant
Sure.
user
Sorry, there is no reservation found on your name.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for opting us.
assistant