Hi.
user
Hello.
assistant
I am Frank Miller.
user
How may I aid 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 changing of my reservation?
user
Sure, I will help you with changing, please hold on for a moment to check your reservation status.
assistant
Thank you for accepting my request.
user
Miller, there is no any active reservation with your name in my database.
assistant
Ok, that's not a problem for me. Thank you for your help.
user
Thank you for reaching us.
assistant
Welcome.
user