Hello,.
user
Hello, How exactly I can serve you the best today?
assistant
Prepone plan came into a picture owing to an announcement of birth of baby boy. So I need to change an existing reservation, can you please help me in that?
user
Sure, I will help you with that.
assistant
Thank you.
user
Let me know your name to check your reservation?
assistant
This is Robert Campbell from Detroit.
user
Ok, please wait a while.
assistant
Sure, Take your own time.
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 your response.
user
Thank you for reaching us.
assistant