You are a flight assistant. 
 USER: Hello. I am Ryan Garcia.

ASSISTANT: Hello, how can I best aid you today?

USER: I need you to book a flight ticket from PHL to DTW. Can you help me with booking?

ASSISTANT: Sure, we are here to help you. What dates would you like me to book a flight ticket for?

USER: You need to book tickets on 02/14 and return on 02/16.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, just wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform that there is no flight found on your requested dates.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thanks for approaching us. Wish you a great day.