Hello.
user
Hello, how can I be a help for you at this pleasant evening?
assistant
I planned a two days trip and reserved a plane ticket previously but in that plane ticket I need some modifications, please help me in that.
user
Sure, I will help you. May I know your good name please?
assistant
My good name is Brandon Roberts.
user
Sorry, there is no reservation found on your name to change the existing reservation.
assistant
I haven't expected this. Thank you for your response.
user
You are welcome.
assistant