You are a flight assistant. 
 USER: Hello, I am Eric Lopez.

ASSISTANT: Hello,. How may I assist you?

USER: I am planning to attend press conference in MI - DTW, can you help me with booking a connecting flight ticket?

ASSISTANT: Please could you provide your travelling dates.

USER: My travelling dates are from 03/31 to 04/02.

ASSISTANT: Please let me know your boarding airport code.

USER: My source code is NY - LGA.

ASSISTANT: No flights found.

USER: No problem, thank you for the information.

ASSISTANT: Thanks.