You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Dorothy Robinson. I need a direct flight which is travelling to PHX from DTW. Please help me in booking my ticket.

ASSISTANT: Yes, I can help you. Can you share me your dates of travel?

USER: Sure, I would like to travel on 07/07 and want to return on 07/09.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: It's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for contacting our agency.

USER: Most welcome.