You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to travel to JFK, can you please book a flight ticket from ORD?

ASSISTANT: Sure, let me know your planned journey dates?

USER: My trip dates are 11/19 and 11/21.

ASSISTANT: Do you have any connection limit?

USER: Yes, I am comfortable with a single connecting flight.

ASSISTANT: Is there any other specifications? May I know your name.

USER: No, thanks for asking. Mark Allen here.

ASSISTANT: We found a connecting flight 1005 in Southwest airline with fare 100 and class is economy. Shall I proceed?

USER: Yes, proceed please.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.