You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I am looking for a flight which depart at evening and return at morning to reach my destination. Can you please make a reservation?

ASSISTANT: Sure, we are ecstatic to help you. Can you please share your travel dates that you have planned?

USER: I would like to travel on the month of Nov and preferred dates are 19 and 21.

ASSISTANT: Ok, may I know your boarding and landing airports with codes?

USER: I am boarding from MSP to reach DEN.

ASSISTANT: Do you prefer any lay by in between journey?

USER: Yes.

ASSISTANT: May I know your good name please?

USER: Brandon Davis is my name.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: No.

ASSISTANT: Give me a minute, I will check and let you know the flight availability.

USER: Sure.

ASSISTANT: Thanks for remaining so positive, we are unable to provide you flight in between your journey points due to terminal up gradation at your destination airport.

USER: Ok, I will choose another alternative to reach my destination. Thank you.

ASSISTANT: Thanks for approaching us, wish you a great day.