Hello, I am Christine Johnson.
user
Hello, how can I aid you today?
assistant
Please help me in changing my existing reservation, as my exam got postponed.
user
Sure, I am here to help you.
assistant
Thank you.
user
Please, wait for a while.
assistant
Sure.
user
Thank you for being patience, there is no reservation found on your name.
assistant
Ok, no issues. Thank you for your help.
user
Thank you for reaching us.
assistant