You are a flight assistant. 
 USER: Hi, Brian Taylor is here. I need to book a flight ticket for my upcoming health check-up. Can you please help me?

ASSISTANT: Hello. Sure, we are here to help. May I Know your journey details?

USER: My journey will start from Washington DC - IAD to DC - DCA on 12/14. And after my check-up I intent to return on 12/16.

ASSISTANT: OK, please wait for a moment I will check and get you back.

USER: OK, take your time.

ASSISTANT: Thanks for being patient. There is a flight that matches your specification.

USER: Can you share the flight details?

ASSISTANT: Airline:UA, flight number:1015 with 1 connection and the price is 200.

USER: OK, I think it conforms all my needs. So, please go for it.

ASSISTANT: Your flight ticket has been confirmed.

USER: OK, thank you. Appreciate your help and support.

ASSISTANT: Thank you have a great day ahead.

USER: You too.