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

ASSISTANT: Hello, how may I help you?

USER: I planned to meet my cousin in LAX, can you please help me to book a flight ticket from DCA?

ASSISTANT: Sure, may I know your planned trip dates?

USER: I prefer to travel on 06/06 and 06/08.

ASSISTANT: There is a flight available on your requested dates from Frontier airline with 1 connecting flight.

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your ticket is booked with flight number 1009.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us, have a great day.