You are a flight assistant. 
 USER: Hello, I am Lisa Edwards.

ASSISTANT: Hello. How may I assist you today?

USER: I need to attend a global conference at Denver, DEN can you help me booking a flight ticket from LAS?

ASSISTANT: Sure, we are happy to serve you. Can I know your connection preference?

USER: Thank you. I need a break in between my journey.

ASSISTANT: May I know your fare preference?

USER: I can pay up to 5000.

ASSISTANT: Kindly mention your planned travelling dates to proceed further.

USER: I will start on 05/07 and return on 05/09.

ASSISTANT: Thank you for sharing your journey details, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we are unable to provide flights in between your journey routes due to heavy rains at your destination point.

USER: No problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for the information.