You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Can you book a flight ticket from PHX to DTW?

ASSISTANT: Sure, can you please mention with your dates of journey?

USER: I want to travel in Jan from 21st to 23rd.

ASSISTANT: May I know your good name please?

USER: I am Nancy Campbell.

ASSISTANT: Do you have any other requirements please?

USER: I need a connecting flight.

ASSISTANT: Sorry Nancy, there is no flight found as per your travelling details.

USER: That's ok, thanks for checking.

ASSISTANT: You are welcome.