Hello.
user
Hello, how may I help you today?
assistant
I am Jonathan Robinson. Can you please change the existing reservation due to abnormal weather condition from DCA to OAK?
user
Sure, we are perky to help you. Please wait for a while.
assistant
Sure.
user
Sorry, there is no reservation found on your name in our database.
assistant
No problem, thank you for your information.
user
Thank you for choosing us.
assistant