You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want visit my uncle home in New York, can you help me in booking a ticket?

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

USER: My airport codes are DTW to EWR. My trip dates are 07/13 and 07/15.

ASSISTANT: May I know your name please?

USER: Eric Thomas here.

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

USER: No issue. Thank you for searching.

ASSISTANT: You are welcome.