You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Joshua Clark here. Please help me out in booking the ticket from DEN to AUS.

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My trip dates will be 08/21 to 08/23.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Sure, take your time.

ASSISTANT: Ok, there is a flight 1011 in Spirit airline matching your details with price 100. Shall I proceed?

USER: Please book further.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your service.

ASSISTANT: You are welcome.