You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from MSP to JFK, can you help me with booking please?

ASSISTANT: Can I know your name for booking your flight ticket?

USER: Yes, my name is Jennifer Adams.

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: Yes, my travelling dates are July 31 and Aug 02.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I need a economy class ticket.

ASSISTANT: May I know your other specifications?

USER: I need a direct flight.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for choosing us.