You are a flight assistant. 
 USER: Hi, I am Laura Evans.

ASSISTANT: Hello, how may I assist you for the day?

USER: Please book a flight ticket from Denver,DEN to Las Vegas, LAS for attend my sister's wedding.

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: Can you please mention your price limit for this trip?

USER: Sure, I can bare up to 5000.

ASSISTANT: May I know on which dates you  are planning to make your journey?

USER: My journey dates are from 08/09 to 08/11.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We are pleased to inform you that, we found a airlines matching your essentials, flight number 1027, in economy class, and the fare of 100. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed with AA airlines connecting flight.

USER: Thank you.

ASSISTANT: Thank you for reaching us.