You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Can you please help me in booking a flight ticket from PHL to SEA?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: Sure, my travel dates are from July 07 to July 09.

ASSISTANT: May I know your name for further process?

USER: Myself Nicholas Rodriguez.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No, I don't have any specific timing.

ASSISTANT: Do you have any another specifications?

USER: I would prefer business class which has single connection.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: That's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.