You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Nicholas Hernandez. Can you help me in booking a ticket? I need to attend a meeting in ATL.

ASSISTANT: Can you provide me your airport codes and travel dates?

USER: I want you to book a ticket from EWR.

ASSISTANT: Can I know your dates of journey?

USER: My travel dates are from 06/29 to 07/01.

ASSISTANT: Sorry, I did not find any flight basing on your details.

USER: It's fine.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.