Hello.
user
Hello. How may I be of your assistance?
assistant
Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that?
user
Sure, we are here to help you in changing an existing reservation.
assistant
Thank you.
user
 I need some basic information to check your ticket details, can you please tell me your full name?
assistant
I am John Evans.
user
Ok, please wait a minute I will get back to you with the present status.
assistant
Sure.
user
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Ok, no problem. Thanks for the information.
user
Thank you for approaching us.
assistant