Hello.
user
Hello. How can I assist you at this moment?
assistant
I have to modify my travel dates in the previous reservation, can you please assist me to do that?
user
Sure, I am happy to help you with that. Can I have your good  name to check your reservation status?
assistant
Thank you for accepting my request. My name is Cynthia Hernandez.
user
Ok, please wait a moment.
assistant
Ok, take your time.
user
Sorry Cynthia Hernandez, no reservation has found under your name to change.
assistant
It's ok, not a problem with that. I think the ticket is no reserved properly. Anyways thank you for your time.
user
Thank you for choosing us, have a good day.
assistant
Most welcome.
user