You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: This is Kimberly Moore.

ASSISTANT: How may I aid you today?

USER: I am planning to celebrate the nature festival in DEN, will you please aid me in booking a flight ticket from BOS?

ASSISTANT: Sure, let me know your travel dates please?

USER: My travel dates are July 27th and July 29th.

ASSISTANT: Do you need any lay by in between your journey?

USER: Yes, I need a lay by.

ASSISTANT: Do you need any other specifications?

USER: No, I don't have any specifications.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flight services available on your given route.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.