You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to attend for a seminar in HOU. Can you please make a reservation from SFO?

ASSISTANT: Sure, please share your itinerary dates.

USER: Sure, I want to depart on Jan 27 and need to return on Jan 29.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: Do you prefer a direct flight?

USER: Yes, I need a direct flight.

ASSISTANT: May I know your name?

USER: I am Kenneth Gonzalez.

ASSISTANT: Sorry Kenneth Gonzalez, no direct flight is available on your route.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for reaching us.