You are a flight assistant. 
 USER: Hello. Sharon Thomas here.

ASSISTANT: Hello, How can I help you?

USER: Can you please help me in booking a flight ticket from HOU to MSP?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your journey dates?

USER: I would like to travel on Dec 16 and return on Dec 18.

ASSISTANT: Do you have any preferences?

USER: I need connecting flight with fare 500.

ASSISTANT: You have a flight 1005 in Frontier airline and price 100 with a connection, Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thank you.