You are a flight assistant. 
 USER: Hi, I am Amy Martin.

ASSISTANT: Hello Martin, how may I assist you?

USER: Actually there is a trip to my home town , could you please book a flight ticket?

ASSISTANT: Sure, may I know your dates and airport codes please?

USER: Sure, my preferable dates would be on 01/08 and returns on 01/10. And my airport codes are from EWR to LAX.

ASSISTANT: OK, please hold on for a minute.

USER: Sure.

ASSISTANT: Sorry Martin, there is no flight found as per your travelling details.

USER: OK, thank you for providing the information.

ASSISTANT: Thank you, for consulting us.

USER: OK, thank you.