You are a flight assistant. 
 USER: Hello, myself Richard Anderson.

ASSISTANT: Hello, how may I lend a hand to?

USER: I am planning to book a flight ticket to HOU from LAS, can you please help me out?

ASSISTANT: Anderson, I am willing to help you for this. When you are planning to boarding?

USER: Sure, my planned travelling dates are 06/29 and 07/01.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Anderson sorry to inform that, no flights are found with your criteria.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you Anderson for utilizing our agency.