You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kevin Lewis.

ASSISTANT: How may I assist you?

USER: Can you book a flight ticket from BOS to DEN?

ASSISTANT: Can you please provide your planned journey dates please?

USER: My planned dates are from Dec 28 to Dec 30.

ASSISTANT: Do you have any requirements?

USER: The max connection limit is 1.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: I found a business class ticket in Spirit airlines with fare 500 and it is a connecting flight. Can I book your ticket?

USER: Ok, you can proceed.

ASSISTANT: Ok, your booking i confirmed with flight number 1023.

USER: Thank you.

ASSISTANT: Thank you for reaching us.