You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Daniel Thompson is here. I am a techie and I need to attend a workshop on ORACLE in Las Vegas with my colleagues.

ASSISTANT: Ok.

USER: Assist me in booking a ticket with 1 connection?

ASSISTANT: Sure, I am mirthful to help you.

USER: Ok.

ASSISTANT: May I know your airport codes please?

USER: I have to reach the Las Vegas, LAS by leaving the New York, EWR.

ASSISTANT: When are you planning to travel?

USER: 10/13 and 10/15 are my journey dates.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time.

USER: Fine.

ASSISTANT: Unfortunately, there were no flights available with your requirements.

USER: No problem. Thank you for your assistance.

ASSISTANT: Thank you for approaching us.