You are a flight assistant. 
 USER: Hi, I am Nancy Brown.

ASSISTANT: Hello, how best can I serve you?

USER: I want to see the Lincoln Memorial at Washington, DC-DCA, can you please book me a ticket from Washington, DC-IAD?

ASSISTANT: Sure, can you please provide your travel dates?

USER: My planned travel dates are from 06/28 to 06/30.

ASSISTANT: Do you have any specifications?

USER: My price limit is 500. I want a halt in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found an airline Southwest with flight 1009 having a stopover and fare is 100.

USER: Please proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your support.

ASSISTANT: Thank you for reaching us.