You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Paul Williams here. I want to meet my kids at Houston, so please book my ticket from Seattle.

ASSISTANT: Sure, may I know your nearest airport codes please?

USER: My airport codes are SEA and IAH.

ASSISTANT: Can I have your planned travel dates please?

USER: My itinerary dates are 01/30 and 02/01.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your waiting, I found a flight for you in JetBlue airlines with price 100. Can I book your ticket?

USER: Please book my ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1005.

USER: Thank you.

ASSISTANT: Thank you for approaching us.