Hello.
user
Hello. How can I aid you?
assistant
Can you please help me to change my existing reservation?
user
Sure, We are here to help you. May I know your name?
assistant
Thank you. Richard Harris here.
user
Please wait a while.
assistant
Sure.
user
 Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to change it.
assistant
Ok, no problem. Thank you for the information.
user
Thank you for opting us.
assistant