You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a ticket from DTW to LAS, can you help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are May 28 and 30.

ASSISTANT: On whose name shall I reserve flight ticket?

USER: Book the ticket in the name of Karen Hernandez.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you need any other specifications?

USER: I want to return in the evening.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with one connection and the price is 100 in Frontier Airlines, can I proceed with the reservation?

USER: You can book it.

ASSISTANT: Your ticket has been reserved with the flight number 1019.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching our service.