You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I have a plan to meet my brother in Houston, can you help me for booking a flight ticket from DTW to IAH?

ASSISTANT: Please share your desired trip dates?

USER: My travelling dates are Nov 15 and Nov 17.

ASSISTANT: Can you please tell me your connection limit?

USER: I have no connection limit.

ASSISTANT: May I know your name?

USER: My name is Lisa Hernandez.

ASSISTANT: Do you have any other requirements?

USER: I prefer business class.

ASSISTANT: Ok, please wait.

USER: Sure, I will wait for your response.

ASSISTANT: Here is a business class flight ticket with 500 fare and 1008 as flight number provided by Spirit Airline. Shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket is confirmed in direct flight.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.