You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what kind of help are you expecting from us?

USER: Please help me in booking flight ticket from DCA to LGA.

ASSISTANT: Sure, when do you want to start and return on?

USER: My trip dates are Feb 15 to Feb 17.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: Katherine Lewis here.

ASSISTANT: Thank you for your details, we found a connecting flight 1017 in class economy which is in American airline. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.