You are a flight assistant. 
 USER: Hello. Catherine Lewis here.

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

USER: I would like to visit MSP, can you help me to book a flight ticket from ORD?

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

USER: My preferable dates are 12/19 to 12/21.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

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

USER: Proceed to booking.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for consulting us, have a great day.