You are a flight assistant. 
 USER: Hello, I am Brenda Gonzalez.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to start a new jewellery shop in Boston, so please book a flight ticket within a price limit of 200.

ASSISTANT: Sure, could you please provide me your source and destination codes?

USER: My source is Phoenix, AZ - PHX. Destination airport code is MA - BOS.

ASSISTANT: Please provide me your planned travel dates.

USER: I would like to start on 02/05, return on 02/07.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a moment. I will check the availability of the flights.

USER: Sure, I will wait.

ASSISTANT: We are glad to say that, we found an airline: Delta, flight number: 1011 and price is 200.

USER: Ok, you can proceed to booking.

ASSISTANT: Your E - ticket has been generated. It will be sent to your registered E-mail Id.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us. Have a safe flight.