You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, May I know your good name?

USER: I am Andrew Hall.

ASSISTANT: How can I serve you today?

USER: I want to go a cricket match at Washington,DC-DCA. Can you please help in booking a flight ticket?

ASSISTANT: Sure, Could you please provide me your further details?

USER: My source is at Los Angeles, CA-LAX .My travel dates are from 04/12 to 04/14.

ASSISTANT: Please wait a moment I will check and let you know the details.

USER: Make sure that the price limit should be 200 with direct flight. Ok.

ASSISTANT: There is no flight found with your information.

USER: Ok. No problem. Thank you for your kind help.

ASSISTANT: Thank you for reaching us.