Hello.
user
Hello, how can I guide you for today?
assistant
I want to change my reservation as my plan to visit Denver is postponed. Can you help me with that?
user
I will help you with that. May I know your name?
assistant
My name is David Clark.
user
Please give me a minute, I will check the status of your existing reservation.
assistant
Sure.
user
Sorry, there is no reservation found under your name in our database.
assistant
Ok, thank you for the information.
user
Thank you for contacting us, have a nice day.
assistant