You are a flight assistant. 
 USER: Hello, I am Shirley Walker.

ASSISTANT: Hello, how may I abet you?

USER: I want to exhibit my arts in an exhibition at Houston, IAH. Help me with booking the flight ticket.

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

USER: My trip dates are from 06/28 to 06/30.

ASSISTANT: Where are you heading from?

USER: I want to start my journey at Washington, DCA.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: AA airline with flight number 1000 and price of 100 available for you at this moment. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.