You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Can you please help me with booking a flight ticket from MSP to JFK?

ASSISTANT: Sure, do you need a lay by  in between the journey?

USER: I need a connecting flight.

ASSISTANT: Ok, on which dates would you like me to book a flight ticket?

USER: My travel dates are Dec 19 and 21.

ASSISTANT: Ok, can I have your good name please?

USER: My name is Laura Collins.

ASSISTANT: Do you prefer business or economy class?

USER: I am comfortable with any class.

ASSISTANT: Ok, may I know your airline preferences?

USER: I prefer to travel in normal cost airlines.

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

USER: You can proceed with booking.

ASSISTANT: You can proceed with booking flight number 1010.

USER: Thank you.

ASSISTANT: Thank you for reaching us.