You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning a business trip from LAX to DFW, can you book a ticket?

ASSISTANT: Sure, please provide me your travel dates?

USER: My travel dates are 06/14 and 06/16.

ASSISTANT: May I know your name please?

USER: My name is Betty Wright.

ASSISTANT: I am sorry Wright, there is no flight as per your details.

USER: Ok, thank for checking.

ASSISTANT: Thank you for reaching us.