You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How shall I help you?

USER: Can you please search a flight ticket 0 connection limit?

ASSISTANT: Sure. Please provide your travelling codes?

USER: My travel codes are IAD to PHL.

ASSISTANT: Please let me know your travel dates?

USER: My trip dates are 06/13 and 06/15.

ASSISTANT: May I know your name?

USER: Myself Kenneth Harris.

ASSISTANT: No direct flight is available. Thanks.

USER: Ok, fine thank you.