You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Susan Thompson.

ASSISTANT: How may I help you?

USER: I would like to travel from AUS to ATL, could you help me out?

ASSISTANT: Sure.

USER: Could you help me in changing my travel dates?

ASSISTANT: Yes, please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights available for the given name.

USER: That's ok. Thank you for your time.