You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emily Moore here.

ASSISTANT: Moore, how can I assist you?

USER: I want to meet my nephew, please book my ticket from DTW to CLT.

ASSISTANT: Sure, can you please share me your travel dates?

USER: My travel dates are 12/10 and 12/12.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight available with Spirit airlines and the ticket fare is 200 only. Is it ok for you?

USER: Please book my ticket.

ASSISTANT: Your ticket is confirmed successfully. And your flight number is 1000.

USER: Thank you for assisting me.

ASSISTANT: You are welcome.