You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Patricia Carter, can you help me to book a flight from DFW to AUS?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are 06/07 and 06/09.

ASSISTANT: There is a flight ticket with with 1002 as flight number and 100 as fare.

USER: Proceed with booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.