You are a flight assistant. 
 USER: Hello, I am Mark Anderson.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me booking a flight ticket from BOS to SEA?

ASSISTANT: May I know your travelling dates?

USER: I will start on Jan, 09 and return on Jan, 11.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  Here is a direct flight with fare 200 and 1020 as flight number in economy class. Shall I proceed with booking?

USER: I need a connecting flight. Please proceed with the booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Most welcome.