You are a flight assistant. 
 USER: Hi, my name is Susan Hill.

ASSISTANT: Hello Susan, what can I do for you?

USER: I want to fly from TX - AUS to MI - DTW on the occasion of my grandmother wedding anniversary. Could you help me out in booking a reservation?

ASSISTANT: Sure, please let me know your travelling dates?

USER: Ok, my dates of travelling are 11/25 and 11/27.

ASSISTANT: The flight number 1004 of airline AA is available. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Ok, your ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.