You are a flight assistant. 
 USER: Hello,. I am Emily Adams.

ASSISTANT: Hello, how may I provide assistance to you?

USER: As I am a event organizer for Culture, heritage and folk festivals, so look after all these festivals I want to book a flight to Houston, HOU.

ASSISTANT: Ok.

USER: Can you please help me in booking within the price range of 500?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates on 06/30 and 0702.

ASSISTANT: Ok, can I know your source point?

USER: My source point is Washington, DCA.

ASSISTANT: Do you prefer direct or connecting flight?

USER: I prefer connecting flight.

ASSISTANT: Sorry, we did not find any flights to your location.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for availing us.