You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: William Green here. I want to travel from HOU to SFO. Can you book my ticket?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates are from 11/02 to 11/04.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: Hawaiian airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Please proceed.

ASSISTANT: William Green, your ticket is booked with flight number 1025.

USER: Your ticket is booked.

ASSISTANT: Thank you, have a safe journey.