Hi.
user
Hello. How can I help you today?
assistant
I need to change my existing reservation, Can you please help me with that?
user
Sure, I am here to help you.
assistant
Thank you.
user
 I need some basic information to check your ticket details, can you please tell me your full name?
assistant
Paul Adams here.
user
Ok, please wait a minute I will get back to you with the present status.
assistant
Sure.
user
Thank you for waiting, 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 your information.
user
Thank you for approaching us.
assistant