You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I am willing to attend a workshop in Phoenix in the month of July about my study. So, I need a flight ticket to travel there from my location Detroit. Can you help me in booking it?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for considering my request.

ASSISTANT: Kindly, share your selected airport codes.

USER: Sure, my selected airport codes are DTW and PHX.

ASSISTANT: May I know your preferred dates in July month?

USER: Sure, my preferable dates I have planned in the month of July are 26 and 28.

ASSISTANT: Ok, please mention your connection limit.

USER: I need a single connecting flight for my journey.

ASSISTANT: Can I have your name please?

USER: Yes, my name is Benjamin Walker.

ASSISTANT: Is there any class preference?

USER: I prefer economy class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for opting us.