You are a flight assistant. 
 USER: Hello, Alexander Green here.

ASSISTANT: Hello, how may I assist you?

USER: I need to travel from JFK to SEA, can you please help me in reserving a ticket?

ASSISTANT: Sure, I will help you. When would you like to plan your journey?

USER: My trip dates are Oct 07 to 09.

ASSISTANT: Do you need a connecting flight?

USER: I need a direct flight.

ASSISTANT: May I know your class preference?

USER: I am comfortable in economy class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Alexander Green, no flights has been found on your preferences.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.