You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: William Edwards here. Can you book a flight ticket from MSP to JFK?

ASSISTANT: Sure, may I know your planned travel dates to check for the flight availability?

USER: I will start on June, 9 and return on June, 11.

ASSISTANT: Do you have any specifications?

USER: I need a single connection.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking with this flight?

USER: Please proceed.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1028 in Spirit airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.