You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Justin Anderson here.

ASSISTANT: What can I do for you?

USER: I want to book a ticket from DCA to MSP, to visit Minneapolis Brewery in Minneapolis.

ASSISTANT: Ok. Can you tell me when you like to fly?

USER: Ok, I would like to travel on 05/29 and 05/31. I need a single connection.

ASSISTANT: Sorry Justin, there is no flight with your details.

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

ASSISTANT: Most welcome. Please visit again.