You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: Donna Adams here. Can you please help me in booking a flight ticket from JFK to SEA?

ASSISTANT: Sure, I am here to assist you. Kindly mention your depart and return dates.

USER: Sure, my travel dates are from Aug 27 to Aug 29.

ASSISTANT: Which class do you prefer to travel?

USER: I am comfortable with any class.

ASSISTANT: Do you want to depart and return in any specific time?

USER: I would like to depart in the afternoon.

ASSISTANT: Is there any other preference do you have?

USER: I need a connecting flight.

ASSISTANT: Sorry to inform that there is no flight available on given dates from you.

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

ASSISTANT: Thank you.