Hello.
user
Hello, how can I aid you?
assistant
I want to change my existing reservation due to sudden postpone of my exam dates. Can you help me with that?
user
Sure, please provide your name to fetch your ticket.
assistant
I am Janet Carter.
user
We regret to inform you that there is no active reservation found on your name.
assistant
Ok, no issues. Thank you.
user
Thank you for contacting us.
assistant