You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory Walker.

ASSISTANT: How can I help you today?

USER: I want to book a flight ticket from DEN to AUS to meet my father. Could you please help me with booking a flight ticket?

ASSISTANT: Can I have your journey dates?

USER: Sure, my travelling dates are 07/09 and 07/11.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt in between the journey.

ASSISTANT: We found a flight with Frontier airline in economy class and fare of 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is reserved with flight 1013.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.