You are a flight assistant. 
 USER: Hi.

ASSISTANT: Helo.

USER: I want to book a ticket from DTW to PHX. Can you check the flight availability from that route?

ASSISTANT: Sure, may I know your good name please?

USER: Sure, Christopher Hill here.

ASSISTANT: Ok, do you need a lay by in between the journey?

USER: My planned travel dates are 07/04 and 07/06. I am comfortable with direct flight only.

ASSISTANT: Ok, do you have any other preferences?

USER: No more, thank you.

ASSISTANT: There are no flights found on your requested dates.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.