Hello.
user
Hello. How can I help you today?
assistant
I want to change my existing reservation, can you please help me with this?
user
Sure, I'll try to help you in changing an existing reservation.
assistant
Thank you.
user
Can I have your name to check the reservation list?
assistant
Christopher Moore.
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
No problem, thank you.
user
Thank you for approaching us.
assistant