You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER:  I am Melissa Hill.

ASSISTANT: Ok.

USER: I want to spend my holidays at  Dettifoss  water falls in FL-MCO. Can you book a ticket from CA-OAK?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are 06/26 and 06/28.

ASSISTANT: Do you need halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Sorry, there are no flights found with your given dates.

USER: Ok, no problem. Thank you for your response.

ASSISTANT: Thank you.