You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Jack Smith. I need a flight from DCA to ATL o conduct an event for children, can you find it?

ASSISTANT: Sure, may I know your travelling dates?

USER: My dates are 10/04 and back on 10/06.

ASSISTANT: Just wait for a while Jack, I will let you know the flight details which are available.

USER: I need a flight with 0 drop connection because, it is very urgent to travel. Sure.

ASSISTANT: Sorry Jack, there is no flight available with 0 connection.

USER: Ok, alright. Thank you for your service.

ASSISTANT: My pleasure.