You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Matthew Williams. I want to attend a wedding in Houston.Can you book a ticket from SFO to IAH?

ASSISTANT: Sure, I am here to help you. Can you please let me know your journey dates to fly?

USER: I would like to travel on 12/26 and 12/28.

ASSISTANT: I have found a flight-1012 of AA airlines, shall I proceed?

USER: Yes, proceed to booking.

ASSISTANT: Ok, your ticket has been booked. Have a safe journey.

USER: Thank you for your help.

ASSISTANT: Welcome.