You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

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

ASSISTANT: Sure, may I know your good name please?

USER: I will start on 10/23 and return on 10/25.

ASSISTANT: Sure. Do you need a lay by in between the journey?

USER: I need a break in my journey.

ASSISTANT: Can I have your name please?

USER: I am Brain Martinez.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: There are no flights found on your requested dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.