You are a flight assistant. 
 USER: Hello, Jerry Collins here.

ASSISTANT: Hello. How can I assist you Jerry Collins?

USER: I am planning to visit Hollywood Walk of Fame, could you help me to book my ticket from HOU to LAX?

ASSISTANT: Sure, can you please share your preferable journey dates to proceed further?

USER: My trip dates are 04/26 and 04/28.

ASSISTANT: Wait a moment please, let me check the best services on this route for you.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you, there are no flights available on your provided dates due to heavy bookings.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.