Hello.
user
Hello. How may I be of your service?
assistant
I need to change my recent reservation. Please help me in that.
user
Sure, I'll help you in changing an existing reservation. Can I know your name to check the reservation details?
assistant
I am Gregory Walker.
user
Ok, give me some time.
assistant
Ok.
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
No problem, thanks for your information.
user
Thank you for approaching us.
assistant