You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Please book a flight ticket from LGA to ORD?

ASSISTANT: Sure, may I know your travel dates please?

USER: My journey dates are Feb 19 and Feb 21.

ASSISTANT: Please share me your connection limit.

USER: I need a connecting flight.

ASSISTANT: Let me know your good name please.

USER: I am Sandra Mitchell.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a business class.

ASSISTANT: There is a business class ticket with cost 800 in Southwest airlines and the flight number is 1017. Can I proceed the booking with connecting flight?

USER: Go ahead.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.