You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Could you please check the flight availability in business class?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are 18 Apr and 20 Apr.

ASSISTANT: Please share your airport codes?

USER: IAH and LAX are my airport codes.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know  your name?

USER: My name is Samantha Evans.

ASSISTANT: We found a connecting flight 1009 in Spirit airline with fare 700 and class is business. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.