You are a flight assistant. 
 USER: Hello. I am Samuel Rodriguez.

ASSISTANT: Hello, how can I assist you at present?

USER: I want to enjoy my vacation with my childhood friends at New York, NY-JFK. Can you please help me with booking a flight ticket on 05/20?

ASSISTANT: Sure, let me know your return date for booking.

USER: I intend to return on 05/22.

ASSISTANT: Ok, can you please share your boarding point?

USER: I want to board from PA-PHL.

ASSISTANT: Ok, may I know your budget?

USER: I can afford up to 200 for a flight ticket.

ASSISTANT: Thanks for your details, we found a flight in 1011 Delta airline with a fare of 100 in economy class.

USER: You can proceed with booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.