You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please book the ticket from CLT to JFK? As I'm planning to visit New York.

ASSISTANT: Sure, please share me your trip dates.

USER: Sure, my planned departure and return travel dates are 4th and 6th of Jan.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer single connected flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I don't have any other specifications.

ASSISTANT: If you can help me with your name, I can check with the availability of flights.

USER: My name is Michael Clark.

ASSISTANT: We found an economy class ticket in Frontier airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: That's fine for me, you can proceed for booking.

ASSISTANT: Your booking is done with flight number 1020.

USER: Thank you so much for your help.

ASSISTANT: Thank you for approaching us.