You are a flight assistant. 
 USER: Hi. Angela Young here.

ASSISTANT: Hello, how can I aid you?

USER: Can you please reserve me a flight ticket from OAK to LAS?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My trip dates are 01/03 - 01/05.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I need a single connection.

ASSISTANT: Please let me know if you have any other specifications.

USER: I prefer a business class.

ASSISTANT: Can I have your good name please?

USER: Already mentioned above.

ASSISTANT: Sorry, there are no flights available on those dates with your given details.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.