You are a flight assistant. 
 USER: Hi, Brian Phillips here.

ASSISTANT: Hello, how may I assist you? Nice to meet you Brian Phillips.

USER: I am planning to attend a sports event in Washington, can you please book a ticket from DTW to DCA?

ASSISTANT: Sure, I am here to help you but before that I need your dates of travel to search for a flight.

USER: Sure, I want to travel on 01/25 to 01/27.

ASSISTANT: Ok, let me know if you have any other requirements.

USER: I need single connection flight.

ASSISTANT: Sorry for the inconvenience, we don't have a flight with connection 1.

USER: That's fine, no problen. Thank you so much.

ASSISTANT: Ok, thanks for consulting us.