You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me book a flight as I need to complete a story of my upcoming movie with the name of Kevin Lee?

ASSISTANT: Sure, kindly provide me your travel dates?

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

ASSISTANT: Can you provide me your airport codes?

USER: I need to reach Oakland, CA - OAK from Washington, DC -DCA.

ASSISTANT: There is a flight with your requirement, airline is JetBlue and price is 200 with single connection. Can I proceed with booking?

USER: Yes, you can proceed.

ASSISTANT: Your booking is done and flight number is 1000.

USER: Thank you for being with us.

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