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

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to visit AUS from my hometown DCA, can you help me with single connection of flight?

ASSISTANT: Sure, please ensure your planned dates of travel.

USER: My depart is on 07/19 and return on 07/21.

ASSISTANT: Thank you for your details. We found a connecting flight in Southwest airline has fare 100.

USER: OK, proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.