You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I aid you now?

USER: I am Frank Roberts want to visit museum.

ASSISTANT: Ok, please provide your journey details.

USER: I will arrive and depart from Oakland,CA-OAK. My travelling days are 04/11 and 04/13.

ASSISTANT: Thanks for the details, Is there any other requirements for you?

USER: I need a direct flight within 5000.

ASSISTANT: Sorry, there is no direct flight available for your journey. There is a connected flight.

USER: Ok, do not confirm. Thank you for your service.

ASSISTANT: Ok, Thanks for contacting us.