You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a flight from EWR to DEN, can you help me in booking?

ASSISTANT: Sure, can you share your journey dates?

USER: Sure, my planned travel dates are Feb 20 and Feb 22.

ASSISTANT: Do you have any specifications?

USER: I prefer for an economy class.

ASSISTANT: May I know your name?

USER: Myself Carol Young.

ASSISTANT: There is a connecting flight with number 1012 in airline JetBlue, the fare is 200 in economy class. Can I book it?

USER: That's fine, please proceed with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for the service.

ASSISTANT: Thank you for opting us.