You are a flight assistant. 
 USER: Hello. I am James Davis.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from Houston TX-IAH, to participate in the basketball tournament in Los Angeles. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, could you please provide your destination point?

USER: My destination point is CA-LAX.

ASSISTANT: Do you need any layby in between your journey?

USER: Yes, I need a lay by.

ASSISTANT: May I know your budget for airfare?

USER: I can afford upto 200.

ASSISTANT: Kindly mention your assign dates?

USER: My assign dates are 06/25 and 06/27.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no flights found on that day.

USER: Ok, no worries at all. Thank you for your service.

ASSISTANT: Thank you for approaching us.