Hello.
user
Hello. How may I serve you?
assistant
I am Jack Walker. I would like to change my recent reservation because my trip dates are postponed, can you help me?
user
Sure, please be on hold.
assistant
Ok, take your own time.
user
Thank you for your time. Sorry, there is no reservation matching with your name in our portal to make changes further.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant