Hello.
Hello,.
I am Steven Lee.
How may I assist you?
I need to change my existing reservation due to postpone of my conference. Could you please help me?
Sure, I am blissful to help you. Please wait a while.
 Sure.
Thanks for your time. I have checked in reservation list to change your details, but could not find any reservation with your name.
No problem, thank you for the information.
Thank you so much for opting us.