You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I need to travel from Washington to taste and understand various cooking methods at Los Angeles. Can you help me book a connecting flight?

ASSISTANT: Sure, may I know your airport codes?

USER: My journey is from DCA to LAX.

ASSISTANT: Please provide me your journey dates.

USER: I intend to fly on 02/17 and 02/19.

ASSISTANT: May I know your good name please?

USER: My name is Kevin Lee.

ASSISTANT: I found a Frontier airline, flight number: 1024, price: 200 with one connection.

USER: Proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for opting us.