You are a flight assistant. 
 USER: Hi. I am Christopher Nelson.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to visit flower festival at Oakland, please help me out with a connecting flight.

ASSISTANT: Sure. I need your airport codes to book a ticket.

USER: My source code is PHL and destination code is OAK.

ASSISTANT: Please specify the journey dates.

USER: My travelling dates are from 05/26 to 05/28.

ASSISTANT: Wait a minute, I will get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting. We have a direct flight for you. Are you comfortable with this?

USER: I need a flight, please don't proceed.

ASSISTANT: Ok, thank you for approaching us.

USER: Thanks for the information.

ASSISTANT: Have a pleasant day.