You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have a plan to visit Houston. Can you please help me in booking flight ticket from LAX to IAH?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are May 21 to May 23.

ASSISTANT: Please forward your name.

USER: Myself Sharon white.

ASSISTANT: Do you have any other specifications?

USER: I need to travel in business class.

ASSISTANT: Sorry, there is no flight on your details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.