Hi. Linda Johnson here.
Hello, how may I help you?
 I am planning to attend music concert at LGA, can you please help me with booking a flight ticket from DFW?
Sure, what are your planned dates to travel?
The travel dates are 11/29 and 12/01.
Ok, please wait a moment I will check for the availability.
Ok.
Sorry to say, no flights were available on your route.
Ok, no problem.
Thank you for reaching us, have a nice day.