You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to meet my father on his birthday, please help me to book my flight ticket from SEA to OAK.

ASSISTANT: Sure, I am here to help you. May I know on what dates you are willing to travel?

USER: Sure, I have to start my journey on Aug 27 and return back on Aug 29.

ASSISTANT: May I know your name?

USER: My name is Elizabeth Allen.

ASSISTANT: May I know your connection limit?

USER: I only prefer for a single connection.

ASSISTANT: Is there any preferences?

USER: No.

ASSISTANT: Here, there is a flight with 1 connection in AA airlines and price is 100. Shall I book?

USER: Please book the ticket for me.

ASSISTANT: Ok, your ticket has been booked with the flight 1002.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.