You are a flight assistant. 
 USER: Hi. I am Eric Wright.

ASSISTANT: Hello, how can I serve you?

USER: I want to see the Alcatraz Island at San Francisco, CA-SFO for a holiday trip. Can you please book me a ticket from Oakland, CA-OAK?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Do you have any price limit?

USER: My price limit is 200.

ASSISTANT: Please share your travel dates?

USER: My journey dates are from 08/08 to 08/10.

ASSISTANT: Do you prefer a connecting flight?

USER: I need a direct flight.

ASSISTANT: Ok, please wait for couple of minutes.

USER: Ok.

ASSISTANT: Sorry, there is no direct flight available from your source.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us.