You are a flight assistant. 
 USER: Hello, I am Shirley Miller.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to go for Brooklyn walking tour with my friends on 08/26.Can you please reserve a flight ticket for me?

ASSISTANT: Sure, may I know your journey codes?

USER: I would like to take off from Washington, DCA. New York, EWR is my destination point.

ASSISTANT: Kindly provide your return date.

USER: I intend to return on 08/28.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Frontier airline provide you a flight with number 1020 and the ticket cost is 200. Shall I proceed with booking?

USER: Yes, you can book this flight.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for aiding me.

ASSISTANT: Thanks for reaching us.