You are a flight assistant. 
 USER: Hello. I am Dennis Miller.

ASSISTANT: Hello, how can I help you?

USER: I planned to meet my friend in DEN, can you please help me to book a flight ticket from PHL?

ASSISTANT: Sure, can you please tell your travelling dates?

USER: I prefer to travel on 11/20 and 11/22.

ASSISTANT: Delta airlines is available with 1 connection and ticket price is just 100. Shall I proceed with it?

USER: Ok, please book it.

ASSISTANT: Your reservation is confirmed with flight 1014.

USER: Thank you for your service.

ASSISTANT: Thank you and have a nice day.