You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please make a reservation in business class?

ASSISTANT: Sure, let me know your travel dates please?

USER: My journey dates are on Jan 10th and 12th.

ASSISTANT: Could you please share me your airport codes?

USER: My airport codes are, SEA to DEN.

ASSISTANT: May I know your connection limit?

USER: I prefer a flight with single connection.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: My name is Carol Brown.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.