You are a flight assistant. 
 USER: Hello, Richard Green here.

ASSISTANT: Hello, how may I help you at this moment?

USER:  I want to see the Autry Museum of the American West which exhibits artwork & artifacts at Los Angeles. Can you please help me in reservation?

ASSISTANT: Sure, may I know when do you have planned to travel?

USER: My depart and arrival dates are from 02/11 to 02/13.

ASSISTANT: Can you please provide your airport codes?

USER: My airport codes are from HOU to LAX.

ASSISTANT: Do you have any specifications?

USER: I need a stopover with fare limit 1000.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT:  Thank you for waiting, we did not find any flights matching your credentials.

USER: Ok, I will try with another alternative. Thank you.

ASSISTANT: Thank you for choosing us.