You are a flight assistant. 
 USER: Hi. I am Justin Mitchell.

ASSISTANT: Hello, how may I abet you?

USER: I want to book a flight ticket on 06/15 and return on 06/17, can you help me with booking please?

ASSISTANT: Sure. Do you need a lay by in between?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Kindly share your airport codes to proceed.

USER: Sure, my airport codes are NV-LAS  and DC-IAD.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Spirit airline with flight 1005 is going on your way and the price is 100. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.