You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Please help me to book a flight ticket from ATL to SFO.

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

USER: My trip dates are Oct, 15 and Oct, 17.

ASSISTANT: Do you prefer any stopover in between journey?

USER: Yes, I need a stopover.

ASSISTANT: Are there any other specifications to be met?

USER: No.

ASSISTANT: May I know your good name?

USER: Helen Garcia here.

ASSISTANT: We found a connecting flight in American Airline with a fare of 200 which departs at 17:00 and return at 0:00. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1021.

USER: Thank you.

ASSISTANT: Thank you for availing us.