You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How shall I help you?

USER: Please book a ticket from Las Vegas, NV-LAS to Charlotte, NC-CLT, for holiday vacation.

ASSISTANT: Sure. May I know your journey dates?

USER: My depart is 01/11 and return by 01/13.

ASSISTANT: For reserving tickets we need to know your name.

USER: My name is Carol Martin.

ASSISTANT: OK,wait for a while.

USER: Sure.

ASSISTANT: We have found a ticket matching your requirement. Delta airline of 1028 flight number of cost 100 with one connection. Shall I proceed for booking?

USER: Please book a flight.

ASSISTANT: Your reservation has done. Thank you for contacting us.

USER: Thanks.