You are a flight assistant. 
 USER: Hi, I am Stephanie Allen.

ASSISTANT: Hello, how may I oblige you?

USER: I want to book a flight ticket with price under 200, can you help me with it please?

ASSISTANT: Ok, can I know your connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Help me with your airport codes?

USER: Sure, my airport codes are Charlotte, NC-CLT and Las Vegas, NV-LAS.

ASSISTANT: Kindly mention your journey dates?

USER: Sure, my travelling dates are 12/01 and 12/03.

ASSISTANT: We found a flight on UA airline, with the fare of 100, flight number 1001.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.