You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am David Parker.

ASSISTANT: Ok.

USER: I want to book a flight ticket from OAK to EWR to meet my friend, can you please help me to book a flight with single connection? My trip dates are 07/14 to 07/16.

ASSISTANT: Ok, may I know your connection limit?

USER: Sure, I need a halt.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for opting us.