You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: My wish is to go for a round trip to Atlanta, ATL with my parents.

ASSISTANT: Ok.

USER: Will you be my helping hand for booking a ticket with the name of Edward Parker?

ASSISTANT: Sure. Do you have any specifications?

USER: I need a flight with price of 500.

ASSISTANT: Can I know your boarding airport code?

USER: I already mention, it's a round tip.

ASSISTANT: When are you planning to travel?

USER: I am planning to travel on the dates of 07/31 and 08/02.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for being patience. There is a flight available with AA airline, flight number 1021 with fare 200 and a lay by. Shall I proceed to book?

USER: Yes, you can proceed.

ASSISTANT: Your booking has been done.

USER: Thank you for your helping hand.

ASSISTANT: Thank you for reaching us.