You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to book a business class flight ticket?

ASSISTANT: Sure, can I know your travelling dates?

USER: My trip dates are July 02 and July 04.

ASSISTANT: Ok, let me know your source and destination airport codes?

USER: My airport codes are LAX and LGA.

ASSISTANT: On which name should I reserve the flight ticket?

USER: My name is Thomas Adams.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.