You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you?

USER: I am Jerry Garcia.

ASSISTANT: Ok.

USER: I want to book a flight ticket to Austin, as I need to attend my sister's marriage. Please help me with a direct flight.

ASSISTANT: Sure, may I know your planned dates of travel?

USER: My planned travelling dates are from 10/14 to 10/16.

ASSISTANT: Kindly mention your location codes?

USER: I want to fly from ORD to AUS.

ASSISTANT: Sorry, we do not found any flights to your specified locations.

USER: No issues. Thank you.

ASSISTANT: Thanks for making us to serve you.