Hello,.
user
Hello, How can I help you?
assistant
I am Jennifer Harris from Oakland. I made a earlier reservation to attend a workshop, but I met with an small accident, so I want  to change my journey dates. Can you please help me with changing my reservation?
user
Sure, Please wait a second.
assistant
Sure.
user
Sorry, No reservation found on your name.
assistant
Ok, not an issue. Thank you.
user
Thank you for availing us.
assistant