You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I need you to book a flight ticket from SEA to BOS, please help me.

ASSISTANT: When do you want to start and return on?

USER: May 16 and 18, are my planned travelling dates. So, check for the flight accordingly.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need it.

ASSISTANT: Do you have any other specifications?

USER: Nothing much to state.

ASSISTANT: Can I know your good name?

USER: Joseph King here.

ASSISTANT: Thank you for your details, we found a connecting flight 1011 in American airline with a class economy. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you very much.

ASSISTANT: Thank you.