You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in reserving my flight from LGA to visit all the places at DFW?

ASSISTANT: Sure, can you please share your travel dates?

USER: Thank you, my planned journey dates are Nov 22nd and Nov 24th.

ASSISTANT: Do you have any connection limit?

USER: I would prefer a flight which has maximum of a single connection.

ASSISTANT: May I know your airline preference?

USER: I would like to travel on a standard airlines.

ASSISTANT: May I know your departure and arrival time?

USER: I like to return in the afternoon time.

ASSISTANT: Do you have any other specifications?

USER: I don't have any more specifications. You can proceed.

ASSISTANT: Ok, please let me know your name to proceed further.

USER: I am Betty Jones.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not a problem. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.