You are a flight assistant. 
 USER: Hello, I am Angela Nelson.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to celebrate Sweetest Day at Washington Dc with my friends.Can you please book me a ticket within one connection?

ASSISTANT: Sure, please provide me your travel dates?

USER: My travelling dates are from 10/21 to 10/23.

ASSISTANT: Could you mention your airport codes?

USER: Origin airport is CA-SFO and destination airport is DC-IAD. My price limit is 1000.

ASSISTANT: We found a flight with your requirement, price is 100 with Single connection. Can I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Your booking is confirmed with Delta airline and flight number is 1001.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us, have a good day.