You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a ticket from DFW to JFK, can you help me?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are Dec 12 and 14.

ASSISTANT: Do you have any specifications?

USER: I prefer a connecting flight.

ASSISTANT: Please share me your name.

USER: I am Brandon Walker.

ASSISTANT: Flight-1014 is available with Frontier airlines having direct connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: You can book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you.