You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I planned to meet my friend in LGA, can you please help me to book a flight ticket from SEA?

ASSISTANT: Sure, your travel dates please?

USER: I prefer to travel on Apr 16 and Apr 18.

ASSISTANT: Any preferences you have?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Can you mention your name please?

USER: I am Paul Martinez.

ASSISTANT: Delta Airlines has a connecting flight with number 1003 for fare 100, shall I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.