Hello,. I am David Lee.
user
Hello, how may I assist you?
assistant
I want to change my existing reservation due to my exams scheduled got postponed, can you please help me with that?
user
Sure, I am here to help you. Please give me a moment.
assistant
Sure, take your own time.
user
Thank you for being on hold. We are sorry to inform you that there is no reservation found with your name.
assistant
Ok, no worries at all. Thanks for your information.
user
Thank you for choosing us.
assistant