You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What services that you are seeking from us?

USER: Benjamin Evans here. I would like to visit International Spy Museum in Washington DC as it is famous for interactive exhibits. Can you please help m to get flight ticket on dates of 04/16 and 04/18?

ASSISTANT: It is a very good to place to visit Evans,  help me in providing your travelling location codes.

USER: Sure, I would like to travel from ATL to IAD.

ASSISTANT: As per your requested dates there is a flight with 1 stop in your journey, can I book your ticket?

USER: No, I am looking for direct flight. Please verify with connection 0.

ASSISTANT: No airlines is available with direct flight to your landing location. I think I have solved your problem.

USER: Oh! It is sad to hear, anyway I will go with another agency. Thank you for your time.

ASSISTANT: Our pleasure.