Hello.
Hello, how could I help you?
 I am Joseph Youung.
Ok.
 I am planning to spent some time with my family at CA-SFO. Can you book  a ticket from NY-LGA?
Sure, may I know your depart and arrive?
My travel dates are 11/18 and 11/20.
Do you need any halt?
 I need a connecting flight.
Please give me a moment.
Ok.
Unfortunately, there is no flight found with your given name.
Ok, thank you for your response.
Thank you for choosing us.