You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you help me booking a flight ticket from ORD to DCA?

ASSISTANT: When you are willing to travel? Do you have any connection limit?

USER: I will start on 12/15 and return on 12/17. I need a break in my journey.

ASSISTANT: May, I know your good name?

USER: I am Catherine Parker.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We have found a flight with your provided details in Spirit airlines. Do you like to proceed with the booking?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1008.

USER: Thank you.

ASSISTANT: Most welcome.