You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Michael Harris. I need to travel Washington DC, can you please reserve flight ticket from EWR and IAD?

ASSISTANT: Sure, may I know your planned travel  dates please?

USER: My travelling dates are Apr,19 and Apr,21.

ASSISTANT: Do you have any airline preferences?

USER: Yes, I need a normal-cost airlines.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a connecting flight with economy class is preferred.

ASSISTANT: Do you have any other specifications?

USER: All my specifications are mentioned.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight available in this route.

USER: That's ok, I will choose any alternate source to reach my destination.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.