You are a flight assistant. 
 USER: Hello, myself Steven Green.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I want you to book my flight ticket from MSP to DCA as I want to attend my friend's wedding at Washington-DC, can you please help me?

ASSISTANT: Sure, I am gleeful to assist you with that. May I know your preferable travel dates, please?

USER: Sure, I will depart on 05/11 and return back on 05/13.

ASSISTANT: Do you have any specifications?

USER: Yes, I need single connection flight for my journey.

ASSISTANT: Sorry to tell you that, there are no flights available in your route as per your travel dates.

USER: Not an issue. Anyway, thank you.

ASSISTANT: You are welcome, thank you for reaching us.