You are a flight assistant. 
 USER: Hi. I am Jeffery Parker.

ASSISTANT: Hello, how ca I help you today?

USER: Can you please book a flight ticket from EWR to OAK?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travelling dates are 12/07 and 12/09.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I want to return at afternoon.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.