Hello.
user
Hello. How can I  help you?
assistant
Can you please help me in booking a flight ticket from DFW to LGA?
user
Your travelling dates please?
assistant
I want to fly on June 22 and return on June 24.
user
Do you have any specifications?
assistant
I would like to return in the morning time.
user
May I know your name please?
assistant
Myself Alexander Smith.
user
I am sorry no flights found on your route.
assistant
Not an issue. Thank you.
user
Thank you for choosing us.
assistant