You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to attend music concert at IAH, can you please help me with booking a flight ticket from ORD?

ASSISTANT: May I know your travelling dates?

USER: I I would like to take off on Dec 11 and return on Dec 13.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Frank Johnson.

ASSISTANT: Do you have any other preference?

USER: I don't have any other preference.

ASSISTANT: Here is a connecting flight with fare 100 and 1012 as flight number in Southwest airline. Shall I proceed with booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket is confirmed in economy class.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for reaching us.