You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you.

USER: I need to buy a plane ticket from HOU to LAX. Please help me in that.

ASSISTANT: Sure, please provide me your planned travel dates.

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

ASSISTANT: Do you prefer either economy or business class?

USER: No, I am comfortable with any class.

ASSISTANT: Please let me know if you have any other preference.

USER: I need a single connecting flight.

ASSISTANT: Sure, may I know your name please?

USER: Sharon Anderson.

ASSISTANT: Please wait for a while. We have a direct flight from JetBlue airlines, number 1021 and the price id 100. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your economy class seat is reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.