You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am planning to travel from MSP to SFO, can you please help me in flight booking?

ASSISTANT: On which dates would you like to travel?

USER: I would like to fly on Dec 19, return on Dec 21.

ASSISTANT: May I know your class preferences?

USER: I want economy class flight ticket.

ASSISTANT: Do you need a lay by in between the journey?

USER: I need a single connecting flight.

ASSISTANT: Can I have your good name please?

USER: My name is Joseph Scott.

ASSISTANT: We found a Frontier Airlines with fare of 200 and a lay by in between the journey matches your schedule.

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been confirmed with flight number 1016 and a economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.