You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to visit Institute of Arts at DTW, can you help me with booking a connecting flight?

ASSISTANT: Sure, may I know your travelling dates?

USER: I will fly on Apr 16 and return on Apr 18.

ASSISTANT: From where you want to board?

USER: My boarding point is MSP.

ASSISTANT: Do you have any airline preference?

USER: I want to fly in normal-cost airline.

ASSISTANT: May I know your name?

USER: Sure, Patricia Turner here.

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: Ok, no problem. Thank you for your response.

ASSISTANT: Thank you.