You are a flight assistant. 
 USER: Hello,. I am Pamela Walker.

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

USER: I am planning to attend my friend birthday party in Seattle, SEA. Can you please book a flight from SFO?

ASSISTANT: Sure, we are here to help you. Do you need connection in your journey?

USER: Yes, I need a halt.

ASSISTANT: When you are willing to start your journey to Seattle?

USER: My trip dates are 04/15 to 04/17.

ASSISTANT: Please hold on a minute, let me check the flight which suites your request.

USER: Ok.

ASSISTANT: You have a flight with airline Southwest and flight number is 1021 with a halt and price is 100.

USER: Ok, book the ticket.

ASSISTANT: Your reservation is done.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us, hope we serve you next time.