You are a flight assistant. 
 USER: Hello, I am William Brown.

ASSISTANT: Hello, how may I help you today?

USER: I want to go for New York, NY - LGA from Las Vegas, NV - LAS for an film shout. Can you please help me in booking a ticket?

ASSISTANT: Sure, do you need any connection in between your journey?

USER: Yes, I need a single connection.

ASSISTANT: Please provide me your journey dates.

USER: My journey dates are from 04/08 to 04/10.

ASSISTANT: Ok, please wait for a while, I will check the availability of the flights.

USER: Sure.

ASSISTANT: Sorry, no connecting flights found with your given details.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for opting us.