You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Rachel Evans here. I want to book a flight from DFW to MSP.

ASSISTANT: Ok, can you please tell me your travel dates?

USER: I want to book a flight on the dates from 12/07 to 12/09.

ASSISTANT: Ok, please wait for a moment. Evans, I found a flight in Spirit airlines and the ticket fare is 100 only. Can I book the ticket?

USER: Ok, please book it for me.

ASSISTANT: Your ticket is book successfully with the flight-1025 in economy class.

USER: Thank you for helping me out.

ASSISTANT: Thank you for choosing us and have a safe flight.

USER: You are most welcome.