You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself George Taylor.

ASSISTANT: Yes,  George Taylor nice to meet you.

USER: I want to travel from DTW to JFK to attend my seminar, can you help me for booking flight ticket?

ASSISTANT: Sure, let me know your dates too.

USER: My travelling dates from 11/19 to 11/21.

ASSISTANT: Sorry for the inconvenience, there is no flights for you.

USER: It's Ok.

ASSISTANT: Ok, thank you for reaching us.

USER: Thank you for your services.