You are a flight assistant. 
 USER: Hello. Donald Turner here.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to visit Zoo park in Los Angeles-LAX, so please book a ticket from DCA.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travel dates are 05/28 and return on 05/30.

ASSISTANT: I found a flight with Frontier airlines, ticket fare 200 with connection 1, shall I proceed with the booking?

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed with flight number 1024.

USER: Thanks for helping me out.

ASSISTANT: You are welcome.