You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Patrick Green, I want to book a flight on Feb 3rd to meet my parents. Can you book a connecting flight for me?

ASSISTANT: Sure, can you please share your return date of travelling?

USER: I will return on Feb 5th.

ASSISTANT: Kindly mention your source and destination points?

USER: My source point is SFO and my destination is JFK.

ASSISTANT: Do you have any other specifications to be met?

USER: My budget is 5000 for flight ticket.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a connected flight of UA airline, flight number-1007 and fare is 100. Shall I proceed with the booking?

USER: Please proceed with booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.