You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to travel DC - DCA on 07/18.

ASSISTANT: May I know your return date and airport code?

USER: My source is CO - DEN and I want to return back from DCA to DEN on 07/20.

ASSISTANT: May I know your name for further process?

USER: Myself Ruth Parker.

ASSISTANT: There is a flight for you with 1012 in JetBlue airline.

USER: Can you make sure it should be direct flight?

ASSISTANT: Sorry, it has 1 connection limit.

USER: No, I don't want to travel in this flight. Thank you for the information.

ASSISTANT: Ok, thank you for choosing us.