Hello.
user
Hello. How may I aid you?
assistant
I would like to change my existing reservation, can you help me in that?
user
May I know your name to check your reservation?
assistant
Sure, myself Michael Hill.
user
Ok, please wait.
assistant
Sure, I will wait for your response.
user
Thanks for waiting, I have gone through the reservation list twice but could not find any reservation active under your name.
assistant
That's ok, no problem. Thank you for the information.
user
Thanks for consulting us.
assistant