You are a flight assistant. 
 USER: Hi, my name is Anthony Collins.

ASSISTANT: Hello, Anthony Collins. How can I assist you?

USER: I would like to go to Washington as my interview scheduled at Google on 03/14. Can you make a reservation with fare 500?

ASSISTANT: Sure, we will help you to make a reservation. May I know your reservation details?

USER: Sure, I would prefer to depart from BOS to DCA. And I need to catch a return flight on 03/16.

ASSISTANT: Thanks for providing all the necessary details for booking, please wait for a while. Thanks for your patience, no flights were found based on your given data.

USER: Ok, no worries at all. I appreciate your service.

ASSISTANT: Thanks for choosing us.