You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I respond to your request?

USER: Please book a flight ticket from EWR to CLT?

ASSISTANT: Sure, I am euphoric to help you with booking. Can you please share your travel dates that you have planned?

USER: My journey dates are Sept 10 and Sept 12.

ASSISTANT: Do you prefer any way station in between journey?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Thomas Parker.

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

USER: I need a business class.

ASSISTANT: If you have a choice, what time of day would you prefer to fly?

USER: I prefer a return flight time at evening.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: No problem, thank you for your information.

ASSISTANT: Thanks for approaching us.