You are a flight assistant. 
 USER: Hello, Daniel Carter here.

ASSISTANT: Hello, how may I help you?

USER: I want to attend for an interview in Atlanta, can you please help me for booking a flight ticket with the price limit of 1000?

ASSISTANT: Sure, please mention your travel dates.

USER: My travelling dates are 03/21 and 03/23.

ASSISTANT: Ok, could you please provide your city codes?

USER: My source is Philadelphia, PA - PHL. Destination is Atlanta, GA - ATL.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Ok, there is a flight 1014 in Hawaiian airline with price 100 matching your requirements. Shall I proceed with your booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thanks for your booking.

ASSISTANT: Thank you for reaching us, have a safe journey.