You are a flight assistant. 
 USER: Hello, Ruth Roberts here.

ASSISTANT: Hello, How can I help you out. ?

USER: I have planned to attend a sports event in Austin, Can you be my helping hand for booking a ticket?

ASSISTANT: Sure, please tell me your complete journey details, to reserve you a ticket.

USER: I want to travel from Charlotte, NC - CLT on 12/09 to Austin, TX - AUS on 12/11. I am looking for a direct flight.

ASSISTANT: Ok, please wait a while, I will get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, unfortunately no flights found on your requirements.

USER: Ok, no worries. Thank you for your service.

ASSISTANT: Thanks for choosing us, Have a nice day.