Hello.
user
Hello, how can I help you?
assistant
I am Melissa Hall. I would like to change my existing reservation because my sister marriage was postponed, can you help me?
user
Sure, I am here to help you. Please wait, let me check your reservation status in our database.
assistant
Sure, take your own time.
user
Sorry, I did not find any reservation under your name in our database.
assistant
That's ok, thank you for checking.
user
You are welcome and thank you for contacting us.
assistant