You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Amy Robinson.

ASSISTANT: How can I help you?

USER: Could you please book a flight ticket in business class to DEN from SEA?

ASSISTANT: Sure, I am gleeful to help you. May I know on what dates you are willing to travel?

USER: I want to travel on Apr 13 and return back on Apr 15.

ASSISTANT: Do  you have any other specifications?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Here, there is a flight with 1 connection in Hawaiian airlines and price is 100. Shall I proceed?

USER: If it is a business class, please proceed.

ASSISTANT: Sorry, there are no flights found in a business class.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.