You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to book a ticket to attend a meeting at DTW. Can you please help me out from PHX?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket?

USER: I would like to travel on Dec 09 and return back on Dec 11.

ASSISTANT: Do you have any other specifications?

USER: Yes, I am looking for a economy class.

ASSISTANT: May I know your name?

USER: I am Brenda Anderson.

ASSISTANT: Ok, wait for some time.

USER: My return time should be afternoon and I am looking for a connecting flight.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: That's fine, thank you for your service.

ASSISTANT: Thanks for approaching us.