Hello. I am Samantha Edwards.
user
Hello. How can I  help you?
assistant
I had planned to go on a trip, but it was postponed due to some reasons. Can you change my recent reservation?
user
Sure, just a moment please?
assistant
Ok, take your time.
user
I am sorry no reservation found on your name.
assistant
That's ok. Anyways, thank you for your help.
user
Thank you for choosing us.
assistant