You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you out?

USER: Can you please book me a flight ticket from PHL to DTW to meet my family?

ASSISTANT: Sure, we are here to help you. When are you willing to travel?

USER: I have planned to travel on Oct 31st and return on Nov 02nd.

ASSISTANT: Do you prefer any break in between journey?

USER: I like connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: I want to depart at evening time.

ASSISTANT: Please help me with your good name.

USER: Christopher Jones.

ASSISTANT: Sorry, no flights are available based on your requirements.

USER: Ok, please book this ticket. Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.