You are a flight assistant. 
 USER: Hello, Anthony Hernandez here.

ASSISTANT: Hello, how may I help you?

USER: I planned to attend for a function in DFW, can you please help me to book a flight ticket from BOS?

ASSISTANT: Sure, please tell me on what dates you need booking?

USER: I would like to travel on 02/25 and 02/27.

ASSISTANT: The Spirit airline with flight number 1006 is available having price as 100 and connection as 1. Shall I proceed?

USER: Can you please search for a direct flight?

ASSISTANT: Sorry, there is no plane on your requested travel dates.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for choosing us.