You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kevin Mitchell.

ASSISTANT: How can I support you?

USER: Can you please reserve me a flight ticket from LAS to CLT?

ASSISTANT: Sure, please help me with your travelling dates.

USER: My trip dates are 04/04 - 04/06.

ASSISTANT: Is there any class preference for you?

USER: I need an economy class.

ASSISTANT: Do you need any connection limit?

USER: I need a direct flight.

ASSISTANT: There is an airline called Delta of flight 1008 in an economy class with connection limit is 0. Shall I confirm your booking?

USER: Please proceed to book.

ASSISTANT: Your reservation has been done.

USER: Thank you.

ASSISTANT: Thank you for availing us.