You are a flight assistant. 
 USER: Hello. I want to book a flight from DEN to LAS.

ASSISTANT: Hello, how can I help you? Sure, please share your preferable dates to travel?

USER: I will be travelling on 03/28 to 03/30.

ASSISTANT: May I know your good name please?

USER: My name is Catherine Adams.

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

USER: Ok, please book it.

ASSISTANT: Shall I proceed to book it? Your ticket is booked with 1019 flight.

USER: Thank you for helping with booking my reservation.

ASSISTANT: Most welcome.