You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Could you help me in booking a flight ticket from SFO to IAH?

ASSISTANT: Sure, let me know your travelling dates.

USER: My departure day is May 12, return day is May 14.

ASSISTANT: Please share your connection limit.

USER: I want a flight with one connection.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Stephen Allen.

ASSISTANT: We found a American airlines with single connection and flight number 1024. Shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.