Hello.
user
Hello, how may I serve you?
assistant
I want to change my existing reservation due to postpone of my exams, can you help me with that?
user
Sure, I am perky to help you. Please provide your good name to proceed further.
assistant
I am Linda Thompson.
user
Sorry, there is no active reservation on your name in our records.
assistant
No problem, thank you for checking.
user
Thank you for contacting us.
assistant