You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Larry Hernandez here. Can you please help me in booking a flight ticket from LGA to SFO?

ASSISTANT: Sure, could you share your journey dates?

USER: Sure, my travel dates are from Apr 18 to Apr 20.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: We found a flight on UA airline, flight number as 1015 with the fare of 100. It is a connecting flight. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: hank you for oping us.