You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am John Johnson, want to travel from EWR to IAD.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 04/16 to 04/18.

ASSISTANT: There is a flight available for you in Hawaiian airline with 0 connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.