You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Jennifer Adams. I am planning to visit a National Mall in Washington, so please book a direct flight for me.

ASSISTANT: Sure, please provide me your journey points?

USER: My source is New York, NY - EWR, destination airport code is DC - IAD.

ASSISTANT: Ok, help me with your journey dates?

USER: I would like to start on 11/01, return on 11/03.

ASSISTANT: Do you have any preferences?

USER: My price limit is 500.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a a connecting flight Hawaiian with flight  number 1004 and price is 100.

USER: Do not proceed to booking, I want direct flight.

ASSISTANT: Ok, sorry for the inconviniennce.

USER: Thank you.

ASSISTANT:  Thank you for availing us.