You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: I would like to book a flight from IAH to JFK, can you help me with that?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My travel dates are 04/21 and 04/23.

ASSISTANT: Ok, may I know your departure and return time?

USER: I need a connecting flight, and my return time must be afternoon.

ASSISTANT: May I know your class preference?

USER: Any class is ok for me.

ASSISTANT: The business class with flight number 1006 of Southwest airline is available having fare as 200 and connection as 1, is it ok for you?

USER: Ok proceed with that.

ASSISTANT: Ok, could I have your name please?

USER: I am Debra Perez.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 20:00 PM and the return time is 14:00 PM.

USER: Thank you for your service.

ASSISTANT: You are welcome, have a great day.