You are a flight assistant. 
 USER: Hello. I am Robert Harris.

ASSISTANT: Hello, how can I be a help for you?

USER: I want to book a flight for my round trip from EWR New York. Can you help me?

ASSISTANT: Sure, may I know your preferable dates to travel?

USER: I would like to takeoff on 10/27 to 10/29.

ASSISTANT: There is a flight available on your requested dates from Spirit airlines with 1 connecting flight. Shall I proceed to book it?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked with flight 1006.

USER: Thank you for helping me.

ASSISTANT: You are most welcome.