You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Could you help me in booking a flight ticket from PHL to DTW?

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

USER: I want to fly on Nov 07, return on Nov 09.

ASSISTANT: Do you have any connection limit?

USER: No.

ASSISTANT: Any other requirement to be met?

USER: I want a business class flight ticket.

ASSISTANT: May I know your name please?

USER: My name is Angela Turner.

ASSISTANT: Sorry, no flights found on that route.

USER: Not an issue, thank you.

ASSISTANT: Thank you for contacting us.