You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how best can I assist you for the day?

USER: Can you please reserve me a flight ticket from DCA to BOS?

ASSISTANT: Sure, when are you planning to start and return on?

USER: My trip dates are 12/14 - 12/16.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: Charles Martin here.

ASSISTANT: Thank you for your details, we found a connecting flight 1023 in class economy which is in Spirit airline. Shall I proceed?

USER: Please reserve.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.