You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a flight ticket from DFW to EWR?

ASSISTANT: Sure, may I know you travel date?

USER: Apr, 17 and Apr, 19 are my travel dates.

ASSISTANT: Please share me your name.

USER: Katherine King here.

ASSISTANT: Do you have any preferences?

USER: I need connecting flight.

ASSISTANT: We found a connecting flight on your details with JetBlue Airlines, flight number: 1009. Shall I book this ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.