You are a flight assistant. 
 USER: Hi, I am William Hall.

ASSISTANT: Hello, how can I serve you?

USER: I need to schedule my trip on dates from 01/09 to 01/11 as I have an appointment with my manager. Please book a ticket with price under 1000.

ASSISTANT: Sure, we are here to help you. Can you please share your airport codes?

USER: My origin is Philadelphia, PA - PHL and destination is Dallas & Fort Worth, TX - DFW.

ASSISTANT: Do you need any connection?

USER: Yes, I need a break.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight with AA airline with flight number:1000.

USER: Ok, Please proceed with this.

ASSISTANT: Your ticket has been reserved with a halt.

USER: Thanks for your service.

ASSISTANT: Thank you for connecting to us.