You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need a help for reserving my flight ticket.

ASSISTANT: Sure, I am here to help you. Can I know your travelling dates?

USER: Sure, I want to board on 12/21 and return back on 12/23.

ASSISTANT: Kindly share your price limit.

USER: Price limit is 500.

ASSISTANT: May I know your journey codes?

USER: My starting point is at Washington, IAD.

ASSISTANT: Your good name please.

USER: I want to visit Puget Sound at Seattle and nearest airport to Puget is SEA. My name is Christopher Harris.

ASSISTANT: Thank you for sharing your journey details, we found a flight with number 1013 and UA as airline. There is a connection within your journey.

USER: Ok, please confirm the ticket.

ASSISTANT: Your booking is done.

USER: Thanks for your help and support.

ASSISTANT: Thank you for availing us.