You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Stephanie Carter. I want to participate in sports event at Seattle, WA-SEA with my friends.

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I want to board on 09/09 and return on 09/11.

ASSISTANT: Can you please share your source code?

USER: I want to board from Washington, DC-DCA.

ASSISTANT: We are pleased to inform you that we have found a AA airline, flight number-1021 connections-1 and price limit is 100.

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Your welcome.