You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: Find a flight for me in a economy class which returns in the evening time.

ASSISTANT: Sure, let me know your airport codes?

USER: Sure, my locations are from DEN to MSP.

ASSISTANT: Ok, when are you planning to travel?

USER: Ok, my trip dates are from Dec 09 to 11.

ASSISTANT: Is there any airline preference?

USER: No, I need a connecting flight.

ASSISTANT: Ok, please share your name to proceed further.

USER: Sure, I am Joseph Martin.

ASSISTANT: Please wait.

USER: Sure, take your time.

ASSISTANT: Hawaiian Airlines has a connecting flight with number 1016 for fare 100 which returns at 0:00 hours, shall I proceed?

USER: Please book it.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us and have a safe flight.