You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Eric Lee here.

ASSISTANT: How can I assist you?

USER: I am a journalist, I have to cover a crime story at Austin. Could you book my ticket from Seattle?

ASSISTANT: Ok, may I know your travelling dates?

USER: My itinerary dates are 09/16 and 09/18.

ASSISTANT: Ok, please  wait. May I know your source and destination airport codes?

USER: I will be travelling from SEA to AUS.

ASSISTANT: Here is a flight ticket with fare 100 and 1001 as flight number.

USER: Please book my ticket.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.