Hi,.
user
Hello, how may I assist you?
assistant
I want to change my existing reservation due to postpone of my exams. Can you assist me?
user
Sure, may I know your name?
assistant
Myself Ruth Edwards.
user
Please give me a minute.
assistant
Sure.
user
There is no reservation found with you name.
assistant
Thank you.
user
Thanks for availing us.
assistant