You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Christopher Smith here, can you please help me in booking the ticket from LGA to LGA? As I'm planning a round trip here.

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, my travel dates are 12/12 and 12/14.

ASSISTANT: Let me check for the availability of flight.

USER: Sure, please search for the flights in which the ticket fare is under 200.

ASSISTANT: Christopher, there is a flight available with price 100 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: That's perfect! You can proceed for booking.

ASSISTANT: Your booking is confirmed with 1003 flight number.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.