You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I need to book a flight ticket from PHL to DTW, Can you please help me for booking?

ASSISTANT: Sure, can you please share your travel dates?

USER: I would like to travel on 11/17 to return on 11/19.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: Yes, I need a normal cost airline.

ASSISTANT: May I know your name to proceed further?

USER: Jennifer Johnson here.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for contacting us.