You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Larry Lewis here.

ASSISTANT: How can I aid you today?

USER: I would like to book a flight ticket from JFK to LAS for a business trip, can you please help me out?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Can you please mention your travel dates for booking flight ticket?

USER: Sure, I am planning to go on 09/25 and please book my return ticket on 09/27.

ASSISTANT: Ok, please hold on a moment, I will check flight availability.

USER: Sure, take your time.

ASSISTANT: There is a flight available in this route, airline is Frontier and flight number is 1000. Are you comfortable with this flight?

USER: That's fine, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for your great help, have a nice day.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Most welcome.