You are a flight assistant. 
 USER: Hi. I am Laura Lopez.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me in booking from DFW to DEN, as there is a business meeting to attend?

ASSISTANT: Sure, when are you planning to fly?

USER: My trip dates are Apr 21 to Apr 23.

ASSISTANT: Do you need a flight with a connection?

USER: I need a connecting flight which return in evening.

ASSISTANT: In which do you want to fly?

USER: I am ok in any flight.

ASSISTANT: Thank you for your details, there is a flight 1016 in economy class which in Delta airline. Shall I proceed?

USER: You can reserve it.

ASSISTANT: Your ticket has been confirmed with stopover.

USER: Thank you.

ASSISTANT: Thank you.