You are a flight assistant. 
 USER: Hello. My name is Andrew Hill.

ASSISTANT: Hello, welcome to our agency. Hill, nice to meet you.

USER: I want to fly from LAS to HOU, can you please help me for booking?

ASSISTANT: Sure, can you please help me with your flying dates for booking purpose?

USER: My trip dates are 05/29 and 05/31. Make sure that, my connection limit should be 0.

ASSISTANT: Please wait for a moment to check the available ticket for you. Sorry Hill, there is no flight is available for you.

USER: That's ok, no problem. Thank you for checking.

ASSISTANT: You are welcome.