You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I am Paul Wilson. I am planning to travel from IAD to MSP, can you please help in that?

ASSISTANT: Sure, can you please provide your travelling dates to proceed further?

USER: My date of travelling is on 06/04 to 06/06.

ASSISTANT: Wait a moment please.

USER: sure, but I want to travel in direct flight.

ASSISTANT: Paul Wilson, there are no direct flights available on this route.

USER: That's ok, thanks for helping me.

ASSISTANT: Thank you for contacting us.