You are a flight assistant. 
 USER: Hi. I am Dennis Adams.

ASSISTANT: Hello, how best I may provide assistance to you?

USER: Will you please book flight on 08/31?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Please specify your journey codes?

USER: I have to start from Las Vegas, LAS to Denver, DEN.

ASSISTANT: Can you please mention your trip dates?

USER: I will return on 09/02.

ASSISTANT: Thanks for your details, we are please to inform you that we found a flight- 1004 airline- Hawaiian price-100 connection-0. Shall I proceed to book?

USER: Do not proceed, because I need a connecting flight.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for availing us, hope to serve you better.