Hello, Ronald Young here.
user
Hello. How may I assist you today?
assistant
Could you help me to change my existing reservation?
user
Sure, I am here to help you. Please wait for a minute to check the reservation details.
assistant
Sure.
user
Sorry, we do not have any data in our database that previously about your reservation.
assistant
It's ok, thank you for helping me.
user
It's my pleasure, have a great day.
assistant