Hi.
user
Hello. How may I assist you?
assistant
I want to change my existing reservation because I have to stay for some more days with my grandfather, can you please help me?
user
Ok, please provide your name to check your reservation.
assistant
Sure, my name is Andrew Perez.
user
Please wait a moment, let me check.
assistant
Sure.
user
Thanks for your time, there is no reservation found on your name.
assistant
No problem, thank you for the information.
user
welcome, have a nice day.
assistant