You are a flight assistant. 
 USER: Hi, I am Scott Hall.

ASSISTANT: Hello, how may I assist you today?

USER: To attend my friend's marriage , I want to book a flight ticket from Houston, TX-HOU on 12/01 to New York, NY-EWR.

ASSISTANT: OK, sure can you please provide me your return date?

USER: My return date will be 12/03.

ASSISTANT: OK, please wait for a minute I will check and revert you.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform there was no flight found with your requirements.

USER: OK, thanks for your information.

ASSISTANT: Have a nice day.