You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from JFK to OAK. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Sure, my scheduled dates are Mar 13 and Mar 15.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I prefer maximum 1 connection.

ASSISTANT: Please let me know if you have any other specifications.

USER: No more specifications, you can proceed.

ASSISTANT: Can I have your good name please?

USER: Sure, Robert Martin here.

ASSISTANT: Sorry, no flights available on those dates with your given data.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing us.