You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Benjamin Thomas here.

ASSISTANT: Welcome to our travelling agency. Nice to meet you, Thomas.

USER: There is a Baseball match in MSP between Washington and Minneapolis teams, so I want to book a ticket from IAD.

ASSISTANT: Ok, could you please mention your dates of trip?

USER: My travel dates are 02/29 and return on 03/02. Make sure the connection limit is 0.

ASSISTANT: Sorry, there is no flight is available as per your requirement.

USER: It's ok, I will check for other alternatives. Thanks for helping me out.

ASSISTANT: Sure. Thank you.