You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How I can assist you?

USER: I am Laura Thomas. I want to book a ticket on a holiday trip, can you help me out with this?

ASSISTANT: Sure,That is my duty. Can you please provide me your details?

USER: OK, my origin airport is from New York, NY - LAG and destination airport  to Las Vegas, NV - LAS.

ASSISTANT: Please give me couple of minutes. I will check and let you know the details.

USER: OK,.

ASSISTANT: Can you please provide your traveling dates?

USER: Sure, my depart is on 12/17 to 12/19.

ASSISTANT: Sorry for the inconvenience we do not found any flight matches your requirement.

USER: OK,. Thank you, for your help and support.

ASSISTANT: Thank you for contacting us.