You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: I am looking for a flight from OAK to PHX, can you please help me in booking?

ASSISTANT: I am here to help you with that. Can you please provide your planned dates of journey?

USER: Sure, my travelling dates are June 28 and June 30.

ASSISTANT: Are you willing to travel in a direct flight or a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Can you please provide your name for further proceedings?

USER: Sure, my name is Daniel Clark.

ASSISTANT: Do you have any other requirements for your journey?

USER: I want to depart in evening.

ASSISTANT: Sorry Daniel Clark, there are no flights which travels to your region on your planned dates of journey.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome, thank you for reaching us.