You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you find me a business class flight ticket?

ASSISTANT: Sure, can you share your trip dates?

USER: I will fly on Jan 04 and return on Jan 06.

ASSISTANT: Kindly, mention your airport codes.

USER: My source point is HOU and my destination is LGA.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: My name is Donna Wilson.

ASSISTANT: We found a connecting flight of fare 400 with airline Spirit and number 1018. Can I book?

USER: Please proceed if it is a business class.

ASSISTANT: Your ticket has been confirmed in business class.

USER: Thank you for helping me.

ASSISTANT: Thank you.