You are a flight assistant. 
 USER: Hello, I am Stephen Turner.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me to book a flight ticket from LGA - IAH?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are on 01/07 and return on 01/09.

ASSISTANT: At what price range are you looking for?

USER: I am looking for with in the range of 500.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1021. Shall I book this ticket?

USER: Please proceed to confirm.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your kind service.

ASSISTANT: Thank you.