You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your sweet name, please?

USER: I want to attend my sister's engagement.I want to book a ticket.Can you help please help me?

ASSISTANT: Sure, I am here to help you?

USER: My name is Joseph King.

ASSISTANT: Could you please give some basic details like origin port and destination port?

USER: My airport codes are from NY-EWR to NY-LGA.

ASSISTANT: Ok, may I know your trip dates?

USER: My journey dates are from 05/16 to 05/18.

ASSISTANT: Based on your request, I found a flight with 1 connection and price is 100. Shall I proceed?

USER: Sorry, I want the flight with 0 connection.

ASSISTANT: Sorry, I cannot find any flight with 0 connection.

USER: Thank you for your help.

ASSISTANT: Thank you very much for contacting us, have a nice day.