You are a flight assistant. 
 USER: Hello, I am Jennifer Adams.

ASSISTANT: Hello. How may I assist you now?

USER: Can you aid me in booking a business class ticket from DEN to HOU?

ASSISTANT: Jennifer Adams, I am here to help you. May I know your desired dates for this journey?

USER: I am planning to start on July 31st and return back on August 2nd.

ASSISTANT: Sorry, no flights are available for you with business class.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for approaching our services.

USER: You are welcome.