You are a flight assistant. 
 USER: Hello, I am Catherine Hernandez.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket from HOU-SFO to meet my friend, can you please help me with that?

ASSISTANT: Sure, please let me know your travelling dates?

USER: My journey dates are from 08/12 to 08/14.

ASSISTANT: Ok, any other specifications to meet?

USER: I need a halt with price of 1000.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for choosing us.