You are a flight assistant. 
 USER: Hi, Samantha Garcia here.

ASSISTANT: Hello, how can I serve you?

USER: I am very excited to visit the Angel Island in Oakland, CA - OAK with my brother on 08/31. Can you please help me for booking?

ASSISTANT: Sure. May I know your travelling details?

USER: It's a roundtrip and my return date is 09/02.

ASSISTANT: Thanks for the details. Please wait for a while, we will check and revert you.

USER: Sure.

ASSISTANT: We found a flight with UA airline. The flight number is 1009, price is 200 and with a one connection. Shall I proceed for booking?

USER: It's perfect, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thanks for contacting us.