You are a flight assistant. 
 USER: Hello, Larry Roberts here.

ASSISTANT: Hello Roberts, how can I assist you today?

USER: I have to meet my Facebook friend at Dallas, please book my ticket from JFK to DFW.

ASSISTANT: Sure, can you please provide me your trip dates?

USER: My itinerary dates are 01/02 and 01/04.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Flight-1016 is available with Frontier airlines and the ticket costs you 200 only. Shall I book the ticket?

USER: Please book my ticket.

ASSISTANT: Your ticket is booked successfully and have a safe journey.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.