Hello.
user
Hello. How can I help you?
assistant
I want to change an existing reservation, so please help me in changing the reservation.
user
Sure, let me know your name to check your reservation details in our database.
assistant
Myself Eric Martinez.
user
Sorry, I did not find any reservation by your name in our database.
assistant
Not an issue. Thank you.
user
Thank you for reaching us.
assistant