You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am David Gonzalez, will you please book a flight on 09/10?

ASSISTANT: Sure, please share your boarding and landing airport codes?

USER: I would like to participate in bike race in Washington, DCA. So, I will start my journey from Las Vegas, LAS.

ASSISTANT: Ok, let me know your return date?

USER: I intend to arrive on 09/12.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, flight- 1024, airline- AA, price- 100 with connection-1 matches your requested details. Shall I proceed?

USER: Sure, you can proceed to book.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.