You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: My name is Dorothy Parker. Can you please book a flight ticket from EWR to JFK?

ASSISTANT: Sure, can you share your journey dates?

USER: Sure, my travelling dates are 12/21 and 12/23.

ASSISTANT: Do you have specifications?

USER: Ok, please check for a connecting flight.

ASSISTANT: There is a direct flight with number 1023 in airline Southwest, the fare is 100. Can I book it?

USER: Ok, book my ticket.

ASSISTANT: Your ticket is reserved. Thank you for reaching us.

USER: Thank you.