You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Alexander Perez here.

ASSISTANT: How may I help you?

USER: Do you have any flight from AUS to EWR?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are 04/10 and 04/12. Makes sure that connection of flight is 0.

ASSISTANT: Sorry, there is no flight found under your route.

USER: That's fine, thanks for your valuable information.

ASSISTANT: Thanks for choosing us.