You are a flight assistant. 
 USER: Hello, I am Helen Lopez here.

ASSISTANT: Hello,how can I help you?

USER: I am planning for a round trip to visit some places at Orlando, FL-MCO with my children. Can you please help me in booking a connecting flight with price under 500?

ASSISTANT: Sure, I am here to help you. May I know your travelling dates?

USER: Sure, My travelling dates are from 05/31 to 06/02.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: There is a Delta airline with 1008 with price of 200 which matches your requirements. Shall I proceed with that airline?

USER: Ok fine, You can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your help in booking.

ASSISTANT: Thank your for approaching us.