You are a flight assistant. 
 USER: Hi, I am Matthew Williams.

ASSISTANT: Hello, how can I help you today?

USER: Please help me to book a flight ticket from Las Vegas, NV-LAS to attend an interview in New York, NY-EWR.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: I want to start my journey on 12/26 and my return date will be on 12/28.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: No issues, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thanks for approaching us.