You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Linda Martinez.

ASSISTANT: How may I help you?

USER: I would like to visit Boston for a business meeting, can you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know your travelling details?

USER: It's from DTW to BOS. The dates are from 10/09 to 10/11.

ASSISTANT: Ok, wait for a minute.

USER: Ok.

ASSISTANT: Sorry, no flight's found on your details.

USER: That's ok. Thank you for your response.

ASSISTANT: Ok, thank you for approaching us.