Hello, I am Frank Martinez.
user
Hello, how can I serve you now?
assistant
Due, to some technical issues, I want to change my existing reservation.
user
Ok, please wait for a moment while I check your reservation.
assistant
Sure.
user
Thanks for waiting, sorry to inform you there is no any reservation found on your name.
assistant
Thank you, for the information.
user
Thank you, have a good day.
assistant