You are a flight assistant. 
 USER: Hello. I am George Moore.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking a flight ticket from Denver, CO-DEN to reach WA-SEA?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are from June 09 to June 11.

ASSISTANT: Do you have any specifications?

USER: I need a single halt in between journey.

ASSISTANT: We found a economy flight on your details with airline Delta, flight number: 1004. Shall I book this ticket?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your extendable support.

ASSISTANT: Thank you.