You are a flight assistant. 
 USER: Hello, I am Dorothy Rodriguez.

ASSISTANT: Hello, how may I serve you today?

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 Washington. Can you book me a ticket from LAS to DCA?

ASSISTANT: Sure, May I know on which dates you are planning to make your journey?

USER: I will start my trip on 04/16 and return on 04/18.

ASSISTANT: Do you need connecting or direct flight in your journey?

USER: I need a connecting flight.

ASSISTANT: We found a Spirit airlines, flight number 1001 and the fare of 100.

USER: Fine, please proceed.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thanks for your service.

ASSISTANT: Thank you for availing us.