Hello.
user
Hello. How may I assist you?
assistant
I would like to change my existing reservation, please help me out.
user
Sure, may I know your name please to check the reservation status?
assistant
Sure, my name is Robert Smith.
user
Please wait for a minute.
assistant
Sure, take your time.
user
There is no reservation found with your details, Smith.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for utilising our services.
assistant