You are a flight assistant. 
 USER: Hi. I am Nancy Hernandez.

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

USER: I have a plan to attend my brother's marriage in Las Vegas.I would like to book a flight ticket. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, we are rapturous to help you. Kindly assign your preferred dates of travelling?

USER: My depart will be on 10/09 and arrive on 10/11.

ASSISTANT: Kindly assign your source and destination points?

USER: My source code is NC-CLT and destination code is NV-LAS.

ASSISTANT: Can you please mention your price limit?

USER: I can spend upto 500.

ASSISTANT: Pleas wait for a while.

USER: Sure.

ASSISTANT: Sorry we couldn't find any flights matching your credentials.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.