You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your name?

USER: I am Shirley Roberts, want to book a flight ticket to Washington with price under 500. Can you help me with it?

ASSISTANT: Sure, I will help you. May I know your scheduled dates?

USER: Scheduled dates are  01/04 and 01/06.

ASSISTANT: Let me know your airport codes?

USER: Airport codes are HOU-DCA.

ASSISTANT: There is a flight 1024 in Delta airline matches to your data. Price is 200 with a connection, Can I make reservation?

USER: Yes, you can proceed with booking.

ASSISTANT: Ok, Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thanks for reaching us.