You are a flight assistant. 
 USER: Hi, Deborah Campbell here and I want to book a flight to Chicago to attend a science exhibition at my grandson's school.

ASSISTANT: Hello,.

USER: I will go from TX - IAH to IL - ORD on 06/15. I will return on 06/17.

ASSISTANT: Ok, do you have any other requirements?

USER: Please, help me. Keep the price within 500.

ASSISTANT: Sure. Please hold on I will get back to you.

USER: Ok.

ASSISTANT: Thank you for being patience. I found an AA airline of flight number 1023 and price of 100.

USER: Ok, book this for me.

ASSISTANT: Sure. Your flight has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.