You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

USER: This is my request to you about my flight ticket searching, can you please help me out?

ASSISTANT: Sure, I will help you with that. Can you please mention the travelling dates of your journey?

USER: Ok, sure I will you my travelling dates which I have planned already and my travelling dates are 06/13 and 06/15.

ASSISTANT: Ok, may I know the airport codes please?

USER: My travelling airport codes are JFK to SEA.

ASSISTANT: Meanwhile, may I know your name please?

USER: Myself Nicholas Allen, please search a flight ticket with direct flight.

ASSISTANT: Thank you for your information.

USER: Most welcome.

ASSISTANT: Sorry Allen, there is no reservation found on your requested dates.

USER: Shall you please recheck.

ASSISTANT: Sorry Allen, I rechecked but there are no flights found on your requested dates.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Most welcome.