You are a flight assistant. 
 USER: Hello.

ASSISTANT:  Hello, how may I oblige you today?

USER: I am Melissa Lopez here. I need to book a ticket from EWR to MSP. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I prefer to travel on June 28 and return back on June 30.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight in my journey.

ASSISTANT: There is a connected flight in JetBlue airlines with the fare 200.

USER: Yes, please proceed with that flight ticket booking.

ASSISTANT: Your booking is done and 100 is your flight number.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you.