You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me to book a flight ticket from JFK to BOS?

ASSISTANT: Sure, can you share your trip dates?

USER: My travel dates are Apr 26 and Apr 28.

ASSISTANT: May I know your name?

USER: I am Mark Williams.

ASSISTANT: Do you have any preferences?

USER: I prefer connecting flight for this trip.

ASSISTANT: There is a connecting flight with number 1005 in airline JetBlue, the fare is 200 in economy class. Can I book it?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.