You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you aid me to book my ticket from LGA to OAK?

ASSISTANT: Sure, can you provide your travel dates please?

USER: My trip dates are Nov 27 and Nov 29 respectively.

ASSISTANT: Please share your connection limit.

USER: I prefer for single connecting flight.

ASSISTANT: May I know your good name please?

USER: Steven Thomas here.

ASSISTANT: Kindly share your other specifications.

USER: I prefer to travel in business class.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok. Thank you for the help.

ASSISTANT: Thank you for availing us.