Hello.
user
Hello, how can I be your helping hand today?
assistant
I would like to change my recent reservation because my trip dates are postponed, can you help me?
user
Sure, we are glad to help you to change it. On whose name, your reservation has been done earlier?
assistant
I am Jonathan Nelson.
user
Please wait for a while, I will check with your previous reservation list and revert to you.
assistant
Sure, take your own time.
user
Sorry to inform you that, we did not find any reservation on your specified name to change it.
assistant
That's ok, thank you for checking.
user
Thank you for reaching our service.
assistant