You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit my cousin's home to attend a birthday party. Can you please help me out to book a ticket?

ASSISTANT: Sure, may I know your planned airport codes please?

USER: Ok, my preferable locations are from ORD to MSP.

ASSISTANT: May I know your planned travel dates?

USER: My planned dates are from Dec 13 to 15.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a connecting flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: May I know your name for the booking process?

USER: Ok, Eric Lee here.

ASSISTANT: Delta Airlines providing a flight with the price 100 with single connection. Can I proceed for the booking?

USER: Confirm it.

ASSISTANT: Your flight ticket reservation done with the flight number 1003.

USER: Thank you.

ASSISTANT: Welcome, thank you for reaching us.