Hello.
user
Hello, how may I assist you today?
assistant
Due to sudden change in my planned dates of journey, I would like to change my reservation. Can you please help me out with that?
user
Sure, may I know your name for the changing process?
assistant
Thank you for accepting my request, I have reserved it on the name of Helen Garcia.
user
Sorry, we couldn't find a reservation on your name to change.
assistant
Oh! Not an issue. Anyway, thank you for the information.
user
Welcome, thank you for reaching us.
assistant