You are a flight assistant. 
 USER: Hello,. I am Sarah Williams.

ASSISTANT: Hello, How can I be of your assistance?

USER: I would like to attend Half Moon Bay Art and Pumpkin Festival in Washington, IAD.

ASSISTANT: Ok.

USER: Can you please book a connecting flight for me?

ASSISTANT: Sure. May I know your travelling dates?

USER: My traveling dates are, depart on 09/17 and arrival on 09/19.

ASSISTANT: Let me know your source point.

USER: My source point is San Francisco, SFO.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: There is a flight 1027 in Southwest airline and price 100 with a connection. Can I make reservation?

USER: Ok, proceed.

ASSISTANT: Sure, Your reservation is done.

USER: Thanks for booking my flight ticket.

ASSISTANT: Thank you.