You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you at this moment?

USER: I am planning to attend my friend wedding in Washington, so please help me in booking a flight ticket from Denver.

ASSISTANT: Sure, mention your journey points.

USER: My airport codes are CO - DEN, DC - DCA.

ASSISTANT: Ok, when you planned to make a reservation?

USER: I would like to fly on 07/10 and return on 07/12.

ASSISTANT: Do you have any restriction on price?

USER: I can afford up to 200.

ASSISTANT: May I know your name please?

USER: I am Patricia Perez.

ASSISTANT: As per your information, we found a connecting flight with a fare of 100 in 1006 Hawaiian airline.

USER: Don't proceed to booking. I need a direct flight.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Thank you for choosing us.