You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Can you aid me to book my ticket from OAK to JFK?

ASSISTANT: Sure, May I know the travelling dates?

USER: My travel dates are May 14 and May 16 respectively.

ASSISTANT: Do you have any connection limit?

USER: Make sure that I need a single connection limit.

ASSISTANT: Is there any other requirements?

USER: No other specifications for me.

ASSISTANT: May I know your name?

USER: Samantha Brown here.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, thank you for the help.

ASSISTANT: Thank you for opting us.