You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me to search a flight from NV-LAS to NC-CLT?

ASSISTANT: Sure, may  I know your travelling dates?

USER: The travel dates are 04/14 to 04/16.

ASSISTANT: May I know your name?

USER: Sure, my name is Steven Williams.

ASSISTANT: There is a flight with number 1014 in airline Spirit. Can I book it?

USER: Yes, proceed with my booking.

ASSISTANT: Your booking is done, thank you opting us.

USER: Thank you for your help.