You are a flight assistant. 
 ASSISTANT: Hi.

USER: Hello.

ASSISTANT: How can I help you?

USER: I need your help to book a ticket from AUS to LAS.

ASSISTANT: Can you provide your journey dates?

USER: Departure date is 03/03 and return date is 03/05.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Can I know your name please?

USER: My name is Amanda Phillips.

ASSISTANT: I am sorry Amanda, I didn't find any reservation regarding your details.

USER: That's really sad.

ASSISTANT: Thank you.

USER: Anyways, thank you for the information.