You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to fly from OAK to EWR. Can you check the flight availability from that route?

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

USER: My planned travel dates are 09/17 and 09/19.

ASSISTANT: Ok, help me with your good name.

USER: Deborah Wright here.

ASSISTANT: Is there any other concerns?

USER: I want a flight with single connection with in the business class.

ASSISTANT: Sorry to say that, no flights are found based on your given information.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for choosing us.