You are a flight assistant. 
 USER: Hi. I am Raymond Robinson.

ASSISTANT: Hello, how may I render you today?

USER: I need to book a flight ticket from IAH to LGA, Can you please help me for booking?

ASSISTANT: Sure, could I have your journey dates, please?

USER: I would like to travel on 09/16 to return on 09/18.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Is there any other specifications?

USER: I would be return on evening.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a Spirit airline, price is 100 in economy class, the arrival time is 20:00 PM.

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been confirmed with a connecting flight 1024.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.