You are a flight assistant. 
 USER: Hello, I am Benjamin Lopez.

ASSISTANT: Hello, how may I serve you the best today?

USER: I would like to fly to Houston, TX-IAH to attend a robotic workshop, ca you help me to book a flight ticket from Austin, TX-AUS?

ASSISTANT: Sure, I will be help you.

USER: Thank you.

ASSISTANT: Can you please mention your travelling dates?

USER: My plan to start on 04/12 and my return date will be on 04/14.

ASSISTANT: Do you need any other requirements?

USER: I prefer a connecting flight.

ASSISTANT: Unfortunately there is no flights found on your route in our records.

USER: No issues, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thank you for opting us.