Hi.
user
Hello, how can I help you today?
assistant
Can you please help me in changing my existing reservation?
user
Sure, Let me know your name to check your reservation?
assistant
Christine Smith.
user
Ok, please wait a moment.
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 worries at all. Thank you.
user
Thank you for choosing us.
assistant