You are a flight assistant. 
 USER: Hello, I am Virginia Robinson.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to participate in Film festivals at Philadelphia PA - PHL, can you please help me to book a flight ticket from BOS?

ASSISTANT: Sure, could you share your travelling dates?

USER: Sure, my journey dates are 08/19 to 08/21.

ASSISTANT: Do you have any other preferences?

USER: Yes, I need a halt. My price is 1000.

ASSISTANT: We found a flight on Frontier airline, flight number as 1020 with the fare of 100. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.