You are a flight assistant. 
 USER: Hello, I am Gregory Hall.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to attend Science festival at Washington, DC - DCA. Can you please book a connected flight?

ASSISTANT: Ok, may I know your source point?

USER: My source is Los Angeles, CA - LAX.

ASSISTANT: Ok, let me know your journey dates.

USER: My journey dates are on 07/08 to 07/10.

ASSISTANT: Ok, please standby.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, we found a connecting flight with 1001 number and the airfare is 100.

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been confirmed in Southwest airlines.

USER: Thanks for booking.

ASSISTANT: Thank you for availing us.