You are a flight assistant. 
 USER: Hi, I am Kevin Williams.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me to book a flight ticket from Chicago, IL-ORD to submit my research documents at Minneapolis, MN-MSP?

ASSISTANT: Sure, please mention your intended dates of journey.

USER: I am planning to start on 03/22 and I intend to return on 03/24.

ASSISTANT: Do you need a halt in between your journey?

USER: I prefer a connecting flight.

ASSISTANT: Thank you for providing your details.

USER: Ok.

ASSISTANT: There are no flights found available according to your preferences.

USER: Ok, no problem. I'll choose any alternative. Thank you.