You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me to book a connecting flight from OAK?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My travelling dates are July 16 and 18.

ASSISTANT: Kindly mention your destination point?

USER: My destination airport code is CLT.

ASSISTANT: Are you looking for any preferred connections?

USER: Yes, I prefer connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: Can I have your name to proceed further?

USER: Sure, my name is Timothy Carter.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching us.