You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a flight ticket from LAX to DCA?

ASSISTANT: Sure, we are happy to help you. Can you please let me know your travelling dates?

USER: Mar, 19 and Mar, 21 are my travel dates.

ASSISTANT: Do you prefer any stopover in between journey?

USER: Yes, I need a stopover.

ASSISTANT: Are there any other specifications for you?

USER: No, thank you.

ASSISTANT: May I know your good name?

USER: Michael Baker here.

ASSISTANT: Delta Airlines is providing connecting flight with the ticket fare of 200 and depart time is 12:00 hours, arrival time is 23:00 hours. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1012.

USER: Thank you.

ASSISTANT: Thank you for contacting us.