You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Larry Phillips, want to travel from PHL to SEA. Can you book my ticket?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 12/12 to 12/14.

ASSISTANT: There is a flight available for you in AA airline with 1 connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.