You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I am Marry Lee. Can you please help me in booking my flight ticket from CLT to LAX?

ASSISTANT: Sure, we are mirthful to help you. Can you please share your journey dates that you prefer to travel?

USER: My travelling dates are 12/07 and 12/09.

ASSISTANT: Do you need a flag stop in between your journey?

USER: I need connecting flight.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: Ok, sure take your own time.

ASSISTANT: Thank you for waiting, we found a Frontier airline matching your essential details with single connection and the fare 200. Shall I book the ticket?

USER: Ok, please proceed with booking.

ASSISTANT: Your seat has been reserved with the flight number-1007.

USER: Thank you for your help.

ASSISTANT: It's pleasure to serve you.