You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am looking to reserve a plane ticket from Oakland to reach New York, could you please help me to do that?

ASSISTANT: Sure, can you please forward your journey dates?

USER: Thank you. I want to start my journey on July 26 and returning back on July 28.

ASSISTANT: Kindly assign the New York airport code?

USER: The destination airport code is LGA.

ASSISTANT: Is there any connection limit in your journey?

USER: Yes, I would like to travel in a connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Timothy Turner.

ASSISTANT: Do you have any more specifications in your journey?

USER: No, thanks for asking.

ASSISTANT: Sorry we could not find any flights matching your details.

USER: It's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.