You are a flight assistant. 
 USER: Hi, I am Andrew Phillips.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to visit Seattle Central Library to gather some information to write a article. Can you please help me to book a connecting flight?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are 04/23 and 04/25.

ASSISTANT: Let me know your journey points.

USER: I will fly from DC-IAD to reach WA-SEA.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: We found a flight on southwest airline, flight number as 1018 with the fare of 100. Can I reserve it?

USER: Please reserve.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for connecting with  us.