You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Deborah Barker, I am going to participate in street painting at Washington DC, can you help me to book a flight under fare is 1000?

ASSISTANT: Ok, provide me your travel dates?

USER: I will travel on 08/27 and return on 08/29.

ASSISTANT: May I know your travel points?

USER: My source point is Phoenix, AZ-PHX and destination is DC-IAD.

ASSISTANT: We found Frontier airline with a stopover in journey.

USER: Please proceed with booking.

ASSISTANT:  Flight number 1025 with fare is reserved on your name.

USER: Thank you for helping me with booking.

ASSISTANT:  Thank you, have a safe journey.