You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates to book a flight ticket?

USER: My travel dates are May 22 and May 24.

ASSISTANT: Do you have any other specifications?

USER: I prefer direct flight for this trip.

ASSISTANT: May I know your name?

USER: My name is Janet Turner.

ASSISTANT: Let me know your airport codes?

USER: My airport codes are MSP and EWR.

ASSISTANT: Ok, wait for some time I will check the availability of flights on your details and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details due to some weather problems we are not providing flights on this route.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for contacting us.