Hello, I am Jacob Hill from New York.
Hello, in what way  can I help you today?
As I have to give a seminar in Houston University, I planned to travel to Houston, IAH. Can you please help me with booking?
Sure, let me know your travelling dates?
My travelling dates are 08/09 and 08/11.
Which airports do you want to start from?
I want to start from New York, LGA.
Thank you for your details.
Ok.
There are no flights available with the given details.
No problem, thank you for the information.
Thank you.