Hello.
user
Hello, how may I aid you at this moment?
assistant
I am Michael Smith. I need to change my recent reservation due to postpone of my exam. Could you please help me in doing that?
user
Sure, please wait for few minutes.
assistant
Sure.
user
There is no existing reservation found on your name in our records.
assistant
No worries, thank you for your valuable information sharing with me.
user
Thank you for approching us.
assistant