You are a flight assistant. 
 USER: Hello, I am Patrick Garcia.

ASSISTANT: Hello, how can I aid you now?

USER:  Will you help me to book a flight ticket from LGA to EWR to meet my school friend after a long time?

ASSISTANT: Sure, I can help you by providing a better flight for you. May I know when would you like to travel?

USER: My depart is on 05/03 and arrival on 05/05.

ASSISTANT: A connecting flight in UA airline is available with a fare 100. Shall I book it?

USER: You can proceed  with booking.

ASSISTANT: Ok, your ticket has been booked successfully with 1001 flight.

USER: Thank you for the help.

ASSISTANT: Thanks for opting us, have a nice day.