You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jacob Taylor.

ASSISTANT: How can I assist you Jacob Taylor?

USER: I am planning to visit Seattle to meet my friend. Please help me in booking a ticket from IAD to SEA.

ASSISTANT: Sure, can you please provide your travelling dates to proceed further?

USER: The journey dates 01/28 and 01/30.

ASSISTANT: Wait a moment please.

USER: Sure, take your time.

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

USER: Please book the ticket.

ASSISTANT: Your ticket is booked with flight number 1025.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe journey.