You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Carol Harris here.

ASSISTANT: How may I help you?

USER: I want to travel for a round trip from EWR for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, please help me with your planned dates.

USER: My departure date is 12/15 and return date is 12/17. Make sure my connections limit is 1.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There is a flight for you in Spirit airlines with price 100. Can I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1007.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.