You are a flight assistant. 
 USER: Hello. I am Ronald Nelson.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me booking a flight ticket from LAS to DEN?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: I will start on 10/15 and return on 10/17.

ASSISTANT: Do you have any other specifications?

USER: I need a break in my journey.

ASSISTANT: Ok, wait for some time.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thanks for approaching us.