You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Mary MIller, I want a flight to AZ-PHX to watch base ball game with my father. Can you book a flight from DC-DCA?

ASSISTANT: Sure, can you please share your planned dates?

USER: I will fly on 05/20 and return on 05/22.

ASSISTANT: Do you need any stopover in between journey?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Kindly mention your budget for airfare?

USER: MY budget is 200.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your time, sorry, we have a direct flight on that route.

USER: Ok, thank you for the details.

ASSISTANT: Thank you for opting us.