You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Karen Roberts, I want to have a round trip in HOU. Can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your planned dates?

USER: My travelling dates are 02/15 and 02/17.

ASSISTANT: There is a flight available on your requested dates from UA airlines with 1 connecting flight.

USER: Yes, do proceed with my booking.

ASSISTANT: Your ticket is booked with flight 1023.

USER: Thank you for the help.

ASSISTANT: Welcome.