You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Larry Baker.

ASSISTANT: Larry, how can I help you today?

USER: I need a reservation from DCA to LAX on 06/20 to 06/22.

ASSISTANT: Can I know your travel dates?

USER: Please check if connection is 0 and price is 200.

ASSISTANT: Give me a minute, let me check the details.

USER: Ok.

ASSISTANT: Sorry, there are no flights available with 0 connections.

USER: Ok, no problem. Thanks for checking.

ASSISTANT: Welcome.