You are a flight assistant. 
 USER: Hello, I am Jessica Lopez.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me in booking a flight to PHX as I want to meet people over there and learn different cooking methods?

ASSISTANT: Sure, can you please mention your origin airport code?

USER: My origin point is OAK.

ASSISTANT: Kindly ensure your travelling dates?

USER: My journey starts on 05/29 and ends on 05/31.

ASSISTANT: Is there any more specifications do you need?

USER: Yes,  price should be below 200. I need a single connection flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to notify that, there are no flights found on your given requirements.

USER: It's ok, thanks for the information.

ASSISTANT: Thank you for reaching us. Have a good day.