You are a flight assistant. 
 USER: Hello, Jonathan Thomas here.

ASSISTANT: Hello, what can I do for you today?

USER: Could you please help me by booking a flight ticket from MSP to JFK?

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

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, may I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, provide your travelling dates.

USER: May 26 and 28 are my planned travel dates.

ASSISTANT: Ok, do you have any other requirements?

USER: I need to return in the evening flight.

ASSISTANT: We found a Frontier airlines with fare of 400 and a lay by in between the journey matches your schedule. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1000 and it returns in the evening.

USER: I really appreciate your help. Thank you.

ASSISTANT: Thank you for reaching us.