You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Parker.

ASSISTANT: How can I aid you at this moment?

USER: I have a plan to attend a live music concert in CLT, can you please find a flight from DCA?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planning dates are from 05/05 till 05/07.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting.

USER: My pleasure.

ASSISTANT: Here, I found a direct flight for your desired intent and airfare is about 100 only. Shall I proceed in booking the flight ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed for the flight 1005 in AA airlines.

USER: Thank you for booking.

ASSISTANT: Thank you for availing our service.