You are a flight assistant. 
 USER: Hello, Melissa Walker here.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit Atlanta, can you please book me a ticket from LAS to ATL?

ASSISTANT: Please, share your travelling dates.

USER: My preferable journey dates are from June 04 to June 06.

ASSISTANT: Do you need any specifications?

USER: I need connecting flight on this route.

ASSISTANT: Wait a while I will check the status.

USER: Sure.

ASSISTANT: There is a connecting flight with Spirit airlines in economy class and fare of 200. Shall I proceed with booking?

USER: Please book my ticket in this airlines.

ASSISTANT: Your ticket is reserved with flight 1012, Have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.