Hello.
user
Hello. How can I aid you today?
assistant
I am Jeffrey Wright. I need to change my reservation due to my external exams got postponed. So please help me with that.
user
Sure, we are here to help you with that.
assistant
Thank you for considering my request.
user
Please wait for a moment, let me check your previous reservation status.
assistant
Sure, I am ready to wait for your response.
user
There is no active reservation found with your name in our database to change it.
assistant
I will check my mail once again about confirmation my ticket and I will get back to you if necessary.  Anyway, thank you for your time.
user
Thank you for reaching us, have a great day.
assistant