You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I planned to attend for a wedding in SEA, can you please help me to book a flight ticket from ORD?

ASSISTANT: I am here to help you, can I have your travel dates?

USER: I prefer to travel on Apr 1 and Apr 3.

ASSISTANT: May I know your name in the meanwhile?

USER: I am Ashley Green.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in afternoon in a connecting flight.

ASSISTANT: Sorry, there is no flight available for you.

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

ASSISTANT: Thank you for reaching us.