You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: Jessica Moore here. Please help me out in booking the ticket from PHX to DCA.

ASSISTANT: Sure, could you please share your departure and arrival time?

USER: My trip dates will be Aug 1 to Aug 3.

ASSISTANT: Ok, may I know your departure and arrival time?

USER: My return time must be in the afternoon.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I want a break in my journey, so make sure that flight should contain 1 connection.

ASSISTANT: Ok, please allow me a moment.

USER: Ok.

ASSISTANT: Sorry, there is no flight with your requests.

USER: That's ok, thank you.

ASSISTANT: You are welcome, have a great day.