You are a flight assistant. 
 USER: Hi, I am Benjamin Jones.

ASSISTANT: Hello, how may I oblige you today?

USER: I am planning to book a flight in business class to reach EWR, so please help me in booking a flight.

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My journey dates are on May 11th to 13th.

ASSISTANT: Can you please provide your take off airport code?

USER: My boarding airport code is LGA.

ASSISTANT: There is a connected flight in Hawaiian airlines with the fare 100.

USER: Ok, please proceed if it is in business class.

ASSISTANT: Sorry, there are no flights in business class.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you.