You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket from IAH to SFO to meet my friend. Can you please help me to book a connected flight ticket?

ASSISTANT: Sure, let me know your travelling dates.

USER: My journey dates are June 27 and June 29.

ASSISTANT: Please share your connection limit.

USER: I need a flight with single connection.

ASSISTANT: Do you have any specifications?

USER: I prefer a business class.

ASSISTANT: Can I get your name?

USER: Sure, I am Ronald Garcia.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing us.