You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be your helping hand?

USER: I am Amy Hernandez. I am looking for a flight booking service, can you help me out?

ASSISTANT: Sure, I am gleeful to help you. Could you please let me know your traveling dates for booking process?

USER: Sure, my preferable dates are 12/22 and I would like to return on 12/24.

ASSISTANT: Ok, may I know your connection preference?

USER: My connection limit is 1.

ASSISTANT: Ok, could you please provide your airport codes to proceed further?

USER: My source airport code is DCA and my destination airport code is ATL.

ASSISTANT: Thank you for sharing your details, please wait a moment I will check for the best service and let you know.

USER: Make sure that, my price limit for this trip is 1000. Do you find any flight for me?

ASSISTANT: Ok, I found a flight 1002 perfectly matching your requirements in Southwest airline with price 100. Shall I proceed?

USER: Yes, I am fine with that flight.

ASSISTANT: Ok, your ticket has been booked. Have a nice journey.

USER: Thank you for your help and great service.

ASSISTANT: You are welcome, have a nice day.