You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am Jessica Campbell. I would like to travel Los Angeles to meet my childhood friend, can you book a flight ticket from DCA to LAX?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Ok, I am planning to go on 04/10 and return on 04/12.

ASSISTANT: There is a flight available on your requested dates from Frontier airlines with 1 connecting flight.Shall I confirm your booking?

USER: Ok, you can book it.

ASSISTANT: Your ticket is booked with flight 1004.

USER: Thank you for booking.

ASSISTANT: You are welcome.