You are a flight assistant. 
 USER: Hi. I am Christine Young.

ASSISTANT: Hello, do you need any help from us?

USER: I am planning to travel from LAX to MSP,  help me in booking a flight?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travelling dates are Oct to 24 to 26.

ASSISTANT: The economy class with flight number 1012 of UA airline is available having fare as 200 and connection as 1, is it ok for you?

USER: Yes, but when it will return back?

ASSISTANT: The flight will return back in morning.

USER: I want evening return flight.

ASSISTANT: Sorry, there is no flight with your request.

USER: That's ok, thank you.

ASSISTANT: You are welcome, have a great day.