You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I want to book a ticket from LAX to IAH, can you help me?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My trip dates are June 21 and 23.

ASSISTANT: Do you have any preferences?

USER: I prefer connecting flight.

ASSISTANT: May I know your name please?

USER: I am Janet Wilson.

ASSISTANT: There is a connecting flight available with Spirit airline which is having business class tickets, shall I proceed?

USER: Yes, please.

ASSISTANT: Your booking is done with flight number 1009. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a nice day.