You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Myself Joshua King. Could you please help me to book a flight to LAX from ORD for meeting my wife?

ASSISTANT: Please provide me your travel dates.

USER: Sure, my dates are 06/26 to 06/28.

ASSISTANT: Sorry, there is no flights available as per your given details.

USER: That's ok. Thank you.

ASSISTANT: You are welcome.