You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Please help me in booking flight ticket from LGA to IAH to attend an event.

ASSISTANT: Sure, help me with the trip dates?

USER: My trip dates are Sept 16 to Sept 18.

ASSISTANT: May I know your name please?

USER: Patricia Brown.

ASSISTANT: Do you have any preferences?

USER: I want to travel in normal cost airline and my return in the morning.

ASSISTANT: We found an airline: American, flight number: 1021 and price is 200 with one connection which returns in the morning. Shall I proceed to book?

USER: You can proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.