Hello.
user
Hello, how may I help you?
assistant
My holiday vacation has been postponed.Can you please help me for changing the existing reservation?
user
Sure, may I know your name please?
assistant
Sure, my name is Patrick Collins.
user
Ok, please wait for a moment.
assistant
Sure.
user
Sorry Collins, there is no reservation found on your name to change your reservation.
assistant
No problem, I will search another flight.
user
Thank you for contacting us.
assistant
Thank you for your information.
user
You are welcome.
assistant