Hi.
user
Hello. How may I assist you?
assistant
 I am having sudden meeting in my office, can you please help me changing my reservation?
user
Sure, may I know your name so that I can check your reservation.
assistant
Sure, my name is Brenda Wilson.
user
Thanks for giving your name, please hold on a moment.
assistant
Sure, take your time.
user
Thanks for your time, there is no reservation found on your name.
assistant
That's fine, not an issue. Thank you for your information.
user
It's my pleasure. Ok, thanks for consulting us.
assistant