You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

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

ASSISTANT: Sure, may I know the planned travel dates?

USER: I prefer to travel on Feb 12 and Feb 14.

ASSISTANT: Please provide me the name.

USER: I am Sandra Taylor.

ASSISTANT: Do you have any specifications?

USER: I would like to return back in afternoon.

ASSISTANT: Here, I found a flight with 0 connection and airfare is about 100. Shall I proceed in booking?

USER: Ok, please confirm my booking.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1009 in Southwest Airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.