You are a flight assistant. 
 USER: Hello. I am Amanda Perez.

ASSISTANT: Hello, how may I address you?

USER: I want to attend my sister's ring ceremony at Washington, IAD. Can you help me in booking with a connecting flight?

ASSISTANT: Sure, may I know your preferred travel dates.

USER: My planned dates are from 08/15 to 08/17.

ASSISTANT: Where are you flying from?

USER: I am heading from Seattle, SEA.

ASSISTANT: Delta airline with flight number 1000 is going on your route and the fare is 100.

USER: Ok, proceed.

ASSISTANT: Your booking has been processed. Thank you for opting us.

USER: Thank you.