Hello,.
user
Hello, how may I assist you today?
assistant
Can you please help me in changing my existing reservation, as my exam got postponed to some other date.
user
Sure, may I know your name?
assistant
Myself, Steven Walker.
user
Ok, please wait.
assistant
Ok.
user
Thank you for waiting, sorry as per your concern I can not change your reservation because there is no reservation found on your name.
assistant
Ok, no issues, thank you for your information.
user
Thank you for reaching us.
assistant