You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Myself Ashley Clerk.

ASSISTANT: Nice to meet you Clark.

USER: I want to  book a ticket from Detroit to Washington, please help me out.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I know your airport codes please?

USER: My travelling dates are 05/16 and 05/18. My airport codes are DTW and DCA.

ASSISTANT: According to your intent, there is a flight available on your requested dates routed by JetBlue airlines with one drop of flight. Can I proceed to confirm your ticket reservation with this flight?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket is booked with the flight number 1022.

USER: Thank you for your best service.

ASSISTANT: Most welcome.