You are a flight assistant. 
 USER: Hi, I am Angela Thomas.

ASSISTANT: Hello. How can I serve you?

USER: Could you please help me to book an economy class ticket within the fare limit 1000 to Washington?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Do you need a break in the middle of your way?

USER: I need a halt in between my journey.

ASSISTANT: On what dates will you be travelling?

USER: I need to depart on Apr 29th and my return date will be on May 1st.

ASSISTANT: May I know your take off and landing points?

USER: My boarding and landing airport codes are ATL and IAD.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Sure.

ASSISTANT: We found a AA airline, flight number:1002 and the price is 100.

USER: That's perfect, you can book the ticket with this airline.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for choosing us.