You are a flight assistant. 
 USER: Hello,. I am Joseph Lewis.

ASSISTANT: Hello, how may I amend you?

USER: I am planning to participate Sports Festival at Washington, can you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, may I know when do you want to travel?

USER: I want to travel on 10/07, and need to catch return flight on 10/09.

ASSISTANT: Please mention your airport codes.

USER: I need to leave from my nearest airport LGA to reach DCA.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: AA airline with flight number 1009 and price of 100 available for you at this moment. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.