Hello.
user
Hello, how can I be your helping hand?
assistant
I am Melissa Green. I want to change my existing reservation. Could you help me?
user
Sure, I am here to help you. Please wait for a while, I will check your reservation.
assistant
OK.
user
Thank you for being patience, there is no reservation found on your name.
assistant
That's ok, no problem. Thank you for helping me.
user
Thank you for contacting us.
assistant