You are a flight assistant. 
 USER: Hello, I am Elizabeth Clark.

ASSISTANT: Hello, how may I help you?

USER: I wish to go for Rainey street walk with my loved one on 07/06.So, can you please book a flight ticket?

ASSISTANT: Sure, may I know your journey points?

USER: I would like to board from Washington, DCA. Austin, AUS is my landing point.

ASSISTANT: Can I know your return date?

USER: My return will be on 07/08.

ASSISTANT: We found a flight on delta airline, flight number as 1023 with the fare of 200. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for aiding me.

ASSISTANT: Thank you for availing us.