You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to go to Denver next week so can you please help me in flight ticket booking process from LAS to DEN?

ASSISTANT: Sure, I am happy to help you with that. Can I know your planned trip dates?

USER: I want to take off on May 16 and book my return ticket also on May 18.

ASSISTANT: Do you have any other specifications?

USER: I want to travel in normal cost airline.

ASSISTANT: Ok, do you have any other preferences?

USER: I need 1 break in between my journey.

ASSISTANT: May I know your name?

USER: Myself Amanda Taylor.

ASSISTANT: Sorry to say that, there are no flight's available based on your travelling dates.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.