Hi,. I am Mark Jones.
user
Hello, how may I aid you today?
assistant
Can you please help me in changing my existing reservation? As my planned trip has been postponed to some other dates.
user
Sure, give me a minute, let me check your active reservation.
assistant
Ok.
user
We could not find any active reservation on your name.
assistant
That's ok, not a problem. Thanks for your response.
user
Thank you for reaching us.
assistant