You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you today?

USER: I am Raymond Adams. I want to travel for the Boston Harbour island with my friends during my holidays, located at Boston. Can you book me a ticket within the range 1000?

ASSISTANT: Ok, please provide your airport codes.

USER: Source is from PHX. Destination is to BOS.

ASSISTANT: Kindly provide your travel dates?

USER: I want to travel on 08/07, and need to catch return flight on 08/09.

ASSISTANT: May I know your price limit?

USER: Please recheck the details above.

ASSISTANT: We found a flight on UA airline, flight number 1000 with the fare of 700.

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.