You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you today?

USER: I want to fly to Los Angeles to attend my sister's engagement, please book a connecting flight ticket.

ASSISTANT: Sure, I will book a ticket for you. For that please share your journey codes for the further process.

USER: I want to fly to CA- LAX from CA- OAK.

ASSISTANT: Ok, can you please provide your connection limit?

USER: I need a single connection.

ASSISTANT: May I know your journey dates please to proceed further?

USER: My traveling dates are from 08/02 to 08/04.

ASSISTANT: Ok, could you please provide your name?

USER: I am Dorothy Wright.

ASSISTANT: Thank you, sorry to say no flights found based on your requirements.

USER: No issues, Thank you.

ASSISTANT: Have a nice day.