You are a flight assistant. 
 USER: Hello. Stephen Roberts here.

ASSISTANT: Hello, how may I help you?

USER: Can you please reserve me a flight ticket from ORD to CLT?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my travel dates are from Apr 12 to Apr 14.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a connecting flight.

ASSISTANT: We found a flight on UA airline, flight number 1015 with the fare of 200. Can I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for availing us.