You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am John Evans. I want to book a flight ticket from DTW to DEN. Can you help me?

ASSISTANT: Ok, may I know your journey dates?

USER: 11/14 and 11/16 are my travelling dates.

ASSISTANT: There is a connecting flight-1006 with price 100, is it fine for you?

USER: That's perfect, you can reserve it.

ASSISTANT: Ok, booking is done on Southwest airlines.

USER: Thank you for your help.

ASSISTANT: Welcome John Evans.