You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I have to attend for a seminar in SEA. Can you please make a reservation from DEN?

ASSISTANT: Sure, when are you planning to travel ?

USER: I want to start my journey on Sept 27 and need to end it on Sept 29.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer an economy class to travel.

ASSISTANT: Can I know your good name?

USER: William Evans here.

ASSISTANT: Thank you for your details, we found a connecting flight 1018 in class economy which is in Delta airline.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.