You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Margaret Allen. I would like to book a ticket from AUS to DEN, can you help me?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: My travel dates are dates are 12/27 and 12/29.

ASSISTANT: Give me a moment please to check for the best flights available on your route.

USER: Sure.

ASSISTANT: There is a flight with single connection flight, can I proceed for booking in 1024 flight?

USER: Yes, please.

ASSISTANT: Your booking is done in Spirit airlines it cost you 100.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.