Hello.
user
Hello, how may I serve you today?
assistant
Due to changes in my plan, I need you to change my recent booking.
user
Sure, please share the name on which you have done you reservation.
assistant
I am Jack Hall.
user
Kindly wait for a while.
assistant
Sure, I will stay online.
user
We don't have any reservation with the name of Jack Hall to make changes.
assistant
That's ok. Thank you for trying to help me.
user
Thank you.
assistant
You are welcome.
user