You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Mark Miller, as I want to attend an event about my parents in Detroit city in the month of November. Can you please help me to book a flight ticket to DTW from JFK?

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: Thank you, my travelling dates are 11/09 and 11/11.

ASSISTANT: Please hold on.

USER: Ok, make sure that is connected flight for my journey.

ASSISTANT: Sorry, there are no flights found in our database.

USER: Not an issue, I will go with any another transport for my journey fro this time. Anyway thank you for the information.

ASSISTANT: Thank you for choosing us.