Hello.
user
Hello, how may I serve you at this moment?
assistant
Can you help me in changing my recent reservation?
user
Sure, I will help you. Please wait for a moment. May I know the name on which ticket has been booked?
assistant
Sure, please check the active reservation with the name David Harris.
user
Sorry, there is no reservation found on your name.
assistant
Its ok, thank you.
user
You are welcome, have a nice day.
assistant