You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of assistance are you looking for?

USER: I am looking for a flight from HOU to LAS, can you please help me in booking?

ASSISTANT: Sure, can you please let me know your travel dates?

USER: My travelling dates are June 13 and June 15.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer economy class.

ASSISTANT: To proceed further, may I know your name?

USER: My name is Margaret Johnson.

ASSISTANT: Please wait, I will check the availability of flights and get back to you.

USER: Ok, I will wait for your information.

ASSISTANT: We found a connecting flight in American Airlines with flight number 1001 having an economy class.

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.