You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you today?

USER: Please book a flight ticket in the month of May from 21st to 23rd.

ASSISTANT: Sure, can you please share me your airport codes?

USER: My airport codes are from DCA to LAS.

ASSISTANT: Kindly mention your stopover in between journey?

USER: I prefer a stopover in my journey.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Jason Hill here.

ASSISTANT: We found an United airline of flight 1024 in an economy class with single connection. Can I confirm?

USER: Yes, please.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.