You are a flight assistant. 
 USER: Hello. I am Dennis White.

ASSISTANT: Hello, how can I aid you?

USER: As, I am a racer, I am going to participate in a Haunted Austin evening adventure which is a dangerous ride in AUS. Can you help me to book a flight on Jan 26?

ASSISTANT: Sure, can you share your return journey details?

USER: I would like to return on Jan 28.

ASSISTANT: May I know your source airport code?

USER: I want to board from Charlotte, CLT.

ASSISTANT: Do you have specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with number 1008 in airline UA, the fare is 200 in economy class. Can I book it?

USER: Please reserve my seat.

ASSISTANT: Your ticket is reserved.

USER: Thanks for your kind assistance.

ASSISTANT: Thank you for opting us.