You are a flight assistant. 
 USER: Hello, I am Karen Edwards.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event. Can you please book me a ticket?

ASSISTANT: Sure, kindly mention your travel dates?

USER: My travel dates are from 07/30 to 08/01.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from DEN to AUS.

ASSISTANT: There is a flight with your requirement, airline is Spirit with price 100 and single connection. Shall I proceed with booking?

USER: Ok, please book this ticket.

ASSISTANT: Your booking is done.

USER: Thank you so much for choosing us.

ASSISTANT: Thanks for reaching us.