You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Jacob Wright. I am planning to meet my uncle in Oakland, so please help me in booking a flight ticket.

ASSISTANT: Sure, I am happy to help you. When are you planning to travel?

USER: I want to fly on 12/03 and return on 12/05.

ASSISTANT: Do you need lay by in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Help me with your airport codes to proceed further.

USER: My airport codes are CO - DEN, CA - OAK.

ASSISTANT: Please wait for a while, I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time, there is no connecting flight available with your requirements.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for contacting us.