You are a flight assistant. 
 USER: Hi.

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

USER: Can you help me in booking a flight ticket form MSP to LGA?

ASSISTANT: Sure, can you please mention your depart and arrival dates of your journey?

USER: I want to travel on 03/11, and return on 03/13.

ASSISTANT: Do you like to go with a connecting or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I prefer for economy class and want to return in the evening time.

ASSISTANT: May I know your name please?

USER: I am Timothy Wright.

ASSISTANT: No flights found as per your preferences at the moment.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for choosing us.