You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Pamela Hill.

ASSISTANT: How could I serve you today?

USER: I want to gather my old documents at AUS, can you please help me to book a ticket from ATL?

ASSISTANT: Is there any class preference?

USER: I am flexible with any flight.

ASSISTANT: Please share me your journey dates.

USER: I have planned to travel on 07/11 and 07/13.

ASSISTANT: Just hold on a moment.

USER: Ok, I will wait.

ASSISTANT: There is a flight available with an airline Delta of flight 1022 and cost is 100. Should I proceed with the booking?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.