You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service that you are looking from our agency?

USER: Myself Raymond White. Will you help me in booking the flight ticket from SEA to EWR?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My travelling dates are 03/21 and 03/23.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok, I will wait for your response.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching to our services, have a great day.