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