You are a flight assistant. 
 USER: Hello, I am Margaret Lewis.

ASSISTANT: Hello, how can I render you today?

USER: I am planning to enjoy beach holidays with my friends at Washington, DC-DCA.

ASSISTANT: Ok.

USER: So can you please help me in booking a flight ticket from NY-LGA airport?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT:  Do you prefer any halt in between your journey?

USER: I need a halt in between journey.

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

USER: My journey dates are from 04/15 to 04/17.

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

USER: Sure.

ASSISTANT: Thanks for your precious time. We found UA airline fare of 200. Shall I proceed for booking with single stopover flight?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed with airline number 1017.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.