You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to travel from LGA to IAH as a holiday trip.

ASSISTANT: Please share your itinerary dates.

USER: My trip dates are 07/07 and 07/09.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: I need only direct flight.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: May I know your name?

USER: Brian Phillips here.

ASSISTANT: Sorry Brian Phillips, no direct flight is available on your route.

USER: No problem, I will check with another airline.

ASSISTANT: Thank you for reaching us.

USER: Thank you.

ASSISTANT: Welcome.