You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning attend a Hockey competition in New York LGA from DFW. Can you make a reservation for me?

ASSISTANT: Sure, could you please help me with your planned journey dates?

USER: Ok, my planned trip dates are on Sept 18 and return on Sept 20.

ASSISTANT: May I know your name please?

USER: Yes, I am Ryan Collins.

ASSISTANT: Do you have any connection preference?

USER: I need a single connecting flight.

ASSISTANT: May I know your other preferences?

USER: I want to depart in the afternoon time.

ASSISTANT: Ryan Collins, no flights has been found on your planned journey dates.

USER: Ok, not an problem. Thank you for your help.

ASSISTANT: Thank you for reaching us.