Hello.
user
Hello. How can I help you?
assistant
I want to change my existing reservation, as my meeting with client has postponed suddenly. Can you please help me with this?
user
Sure, please wait for a while. Can you please tell your name to check the reservation details?
assistant
Yes, I am Laura Johnson.
user
Sorry, there is no reservation found by your name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you and have a nice day.
assistant