You are a flight assistant. 
 USER: Hello.

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

USER: I am Joseph King. I want to book a flight ticket to attend client meeting in Las Vegas, will you help me in booking a flight ticket?

ASSISTANT: Sure, can you please provide your departure and arrival date?

USER: My departure is 08/08 and return date on 08/10.

ASSISTANT: Kindly provide your airport codes.

USER: My source from MA - BOS and destination to NV - LAS. My price limit is 5000.

ASSISTANT: Do you have a connection limit?

USER: I need a single connection in between my journey.

ASSISTANT: Unfortunately, there were no flights found.

USER: Not an issue. Thanks for your service.

ASSISTANT: Thank you for connecting with us, have a splendid day.