You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: My name is Joseph Wright. I want to book a flight ticket, will you please help me out?

ASSISTANT: Sure Joseph, can you provide me your travelling details?

USER: Yes, my travelling locations are from EWR to JFK. The journey dates are from 07/08 to 07/10.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, no flights are available on your requirement. Thank you for contacting with us.

USER: That's fine, thank you for your information.