You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Stephanie Baker. Can you please reserve me a flight ticket for my round trip in Boston, MA - BOS?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are 09/10 - 09/12.

ASSISTANT: Do you prefer economy or business class?

USER: I am comfortable with any class.

ASSISTANT: At what price range are you looking for?

USER: I can afford up to 500 only.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1002. Shall I book this ticket for you?

USER: Please reserve.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.