You are a flight assistant. 
 USER: Hi, I am William Brown.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to book a flight ticket on 04/08 and return is on 04/10.

ASSISTANT: Sure, May I know your origin and destination?

USER: As I am photographer, I want to take some photo pics from New York. So, I want to travel from DCA to JFK.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found a flight with your requirement airline is UA flight number 1017 with price 200 and single connection. Shall I proceed with your booking?

USER: Ok, proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thanks for reaching us, have a good day.