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