You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to go for my aunt's wedding anniversary from JFK to DTW, can you find a ticket for me?

ASSISTANT: Sure, please provide your travelling dates.

USER: Ok, my travelling dates are 03/07 to 03/09.

ASSISTANT: Sorry, there is no flight available at your request. Could you please provide your name?

USER: OK, thank you for your information. Yes, I am Timothy Lopez.

ASSISTANT: Thank you for reaching us.