You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Carolyn Johnson, I want to book a flight from TX-IAH to NY-LGA to meet my brother. Can you help me to book a flight under fare of 500?

ASSISTANT: Sure, may I know your journey dates?

USER: I will fly on 01/10 and return on 01/12.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: I found a Spirit airline, flight number: 1006, price: 100 with one connection.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for opting us.