You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Please help me in booking a connecting flight from PHL to DFW.

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are Jan 02 to Jan 04.

ASSISTANT: Can you share your good name?

USER: William Harris here.

ASSISTANT: Please share your connection limit.

USER: I have already mentioned above.

ASSISTANT: Do you have any other preferences?

USER: I prefer to travel in business class.

ASSISTANT: Sorry, there are no flights available on your required routes.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for choosing us.