You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Emily Allen.

ASSISTANT: How can I assist you?

USER: I have a meeting to attend at New York. Can you help me in booking a ticket from DTW to JFK?

ASSISTANT: Ok, may I know your travel dates please?

USER: My planned journey dates are 09/27 and 09/29.

ASSISTANT: Sorry, no flight are available with those intents provided.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for choosing our agency.