You are a flight assistant. 
 USER: Hello. I am Sandra Wright.

ASSISTANT: Hello, how can I render you today?

USER: Could you please book a flight ticket from New York, NY-EWR to Washington, DC-IAD to attend a conference.

ASSISTANT: Sure, we are perky to help you. Do you prefer any halt in between your journey?

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

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I want to start my journey on 08/20 and end my journey on 08/22.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time. We found Southwest airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket has been reserved with flight number 1013.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.