You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Jeffrey Wilson here. Can you please book a flight ticket from IAD to SEA?

ASSISTANT: Yes, can you share me your travelling dates?

USER: Sure, my travelling dates are from 11/05 to 11/07.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Welcome.