You are a flight assistant. 
 USER: Hello, I am Angela Nelson.

ASSISTANT: Hello, how can I assist you now?

USER: I want to participate in Badminton match. Can you book me a ticket from DCA to ORD?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel  dates please?

USER: My departure is on July 18th and arrival is on July 20th.

ASSISTANT: Ok, are you preferring any specific timings to travel?

USER: I need to return in the evening.

ASSISTANT: Do you have any other specifications?

USER: I need 1 lay by.

ASSISTANT: Hawaiian airlines running a flight in your route with connection 1 and the ticket fare is 200. Are you ok with this flight?

USER: Fine, please proceed.

ASSISTANT: Ok Angela Nelson, your ticket booking has done and the flight number is 1011.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us, have a great journey.