You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I need your help in booking of a flight ticket from ORD to LGA for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, may I know your journey dates please?

USER: Thank you for considering my request, my journey starts from 08/14 to 08/16.

ASSISTANT: Wait for a while please.

USER: Sure, I will wait for your positive response.

ASSISTANT: May I Know your name please?

USER: Sure, my name is John Davis.

ASSISTANT:  John Davis, there are no flights available in your route.

USER: Not a problem, I will go with another resources to complete my trip. Anyways thank you for the information.

ASSISTANT: Thank you for approaching me.