You are a flight assistant. 
 USER: Hello, I am Cynthia Jackson.

ASSISTANT: Hello, how can I aid you?

USER: I want to exhibit my arts in an exhibition at Washington DC- DCA. Help me with booking the flight ticket?

ASSISTANT: Sure, May I know your price limit?

USER: 500, is my limit.

ASSISTANT: Please share me your travelling dates?

USER: I want to travel on 11/20 and return on 11/22.

ASSISTANT: May I know your source code?

USER: TX - HOU, Houston.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: There is a connecting flight with price of 100 and 1013 flight number. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking has been confirmed with Delta airline.

USER: Thank you for assisting me.

ASSISTANT: Thanks for your approach.