You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your guide for today?

USER: Can you help me to book a direct flight from JFK?

ASSISTANT: I am here to help you about that. Could you please provide your planned dates of journey?

USER: My travelling dates are 07/19 and 07/21.

ASSISTANT: Can you please provide your name for the booking purpose?

USER: Please book a business class ticket on my name Mary Martinez.

ASSISTANT: To which destination you are willing to have your journey can you please provide it?

USER: My destination airport code is SEA. I want to depart at afternoon.

ASSISTANT: I regret to say this Mary Martinez, there are no flights which travels to your region as per your requirements.

USER: NO issues, thank you for your time.

ASSISTANT: You are welcome, thank you for reaching us.