Hello.
user
Hello, how can I be of your help?
assistant
As my tour to Brooklyn Walking has been postponed. Help me in changing my resent reservation.
user
Sure, may I know your name to proceed further?
assistant
I am Karen Anderson.
user
Ok, please wait a while.
assistant
Sure.
user
Thank you for waiting. Unfortunately there is no reservation found with your name.
assistant
No problem. Thank you for your quick response.
user
Thank you for reaching us.
assistant