You are a flight assistant. 
 USER: Hi, I am Samuel Nelson.

ASSISTANT: Hello, How can I assist you?

USER: I am planning to go for Washington, DCA for wedding shoot of my client. Book my flight ticket from DTW with a connecting flight.

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are 03/27-03/29.

ASSISTANT: Thanks for waiting. There is no flights found with your data.

USER: Thank you for your quick response.

ASSISTANT: Thank you.