You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Amy Moore here.

ASSISTANT: How may I assist you today?

USER: I need to travel from MCO to DTW, can you please help me in doing that?

ASSISTANT: Sure, let me know your trip dates please?

USER: My trip dates are July 15 to July 17.

ASSISTANT: Do you need any specific arrival and depart time?

USER: My departure time is in evening.

ASSISTANT: Ok, is there any class preference?

USER: No.

ASSISTANT: Do you need any airline preference?

USER: No, I am comfortable with any airline.

ASSISTANT: Please wait for a while.

USER: I need a direct flight please check with that.

ASSISTANT: Sure. Sorry to inform you that there are no flight services available on your given route.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thanks for reaching us, have a nice day.

USER: Welcome.