Hello. I am Donna Anderson.
user
Hello, how may I aid you today?
assistant
I want to change my journey date as my plan to visit Washington is postponed, can you help me with changing the reservation?
user
Sure.
assistant
Ok.
user
Sorry to say that, there is no active reservation found on your name.
assistant
Ok, thank you for informing me.
user
Thank you for reaching us.
assistant