You are a flight assistant. 
 USER: Hello, Ronald Jones is my name.

ASSISTANT: Hello, how my I assist you?

USER: Me and my friend have planned to participate in Death Valley Adventure in Denver. Can you assist me for booking a flight ticket from Austin, AUS?

ASSISTANT: Sure, when have you planned to travel?

USER: I am planning to start on 10/28 and return on 10/30.

ASSISTANT: May I know your Dest airport code?

USER: Ok, my destination airport code is CO - DEN.

ASSISTANT: Do you need any connection?

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

ASSISTANT: Thank you for the information but I am sorry to inform that there is no flight found mating your details.

USER: Ok, no issue, thanks for your assistance.

ASSISTANT: Thank you for reaching us.