Hi, Laura Thomas here.
user
Hello. How can I assist you at this moment?
assistant
 I want to book a flight ticket for my two days trip from 03/08 to 03/10, can you help me?
user
Sure, can you please provide your nearest airport codes of travel?
assistant
Ok, my airport codes are OAK - DFW.
user
Wait a moment please.
assistant
Ok, take your time.
user
Laura Thomas, there are no flight services available on this route.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for contacting us.
assistant