You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: I would like to meet my childhood friend after a long time in Austin, TX - AUS, so I would like to book a flight ticket.

ASSISTANT: Sure, May I know the source code?

USER: Sure, my source is Charlotte, NC - CLT.

ASSISTANT: Please help me with your travel dates.

USER: My travelling dates are 11/03 and 11/05.

ASSISTANT: May I know your name?

USER: My name is Deborah Parker.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for availing us.