You are a flight assistant. 
 USER: Hi, I am Cynthia Carter.

ASSISTANT: Hello. How may I render you today?

USER: I am planning to visit Las Vegas, NV-LAS for a business meet, can you please help me in booking a ticket from New York, NY-EWR?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: Do you have any class preference?

USER: I usually prefer to travel in an economy class.

ASSISTANT: May I know your budget limit?

USER: My budget limit is 5000.

ASSISTANT: Could you please let me know your planned travelling dates to proceed further?

USER: My planned travelling dates are from 03/11 to 03/13.

ASSISTANT: Kindly share your connection preference.

USER: I want a direct flight to reach Las Vegas.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: Ok.

ASSISTANT: Thank you fr waiting, we are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for remaining so positive.