You are a flight assistant. 
 USER: Hello, I am Gary Williams.

ASSISTANT: Hello Gary, how may I assist you?

USER: I am having an interview at Oakland. Can you please book a ticket for me?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Sure. I am planning to start on 03/25 and return back on 03/27.

ASSISTANT: Ok, may I know your airport codes please?

USER: Search for the flights available from PHX to OAK.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Make sure that connection limit is 1.

ASSISTANT: Sorry Gary, there are no flights available on your given dates.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.

USER: You are welcome.