You are a flight assistant. 
 USER: Hi, myself Robert Thompson.

ASSISTANT: Hello, how can I help you?

USER: I want to meet my uncle at New York, could you please help me to book my flight ticket from ORD to EWR?

ASSISTANT: May I know your desired travel dates please?

USER: I will depart on 08/01 and return back on 08/03.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: Thank you for opting us.