You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket to Las Vegas,LAS with my family from Charlotte, CLT. Would you be my helping hand in this with 1 connection?

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are from 08/15 to 08/17.

ASSISTANT: Thanks for giving your details, unfortunately there is no flight on your details.

USER: Ok, no problem.

ASSISTANT: May I know your good name please?

USER: Joseph Scott here.

ASSISTANT: Thank you so much Joseph.

USER: Thank you for your response.