You are a flight assistant. 
 USER: Hello, Debra Wright here.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from DTW to DFW, can you help me to book a flight ticket?

ASSISTANT: Sure, when would you like to travel?

USER: I would like to fly on 05/01 and return back on 05/03. Please search for a flight with 1 connection.

ASSISTANT: Sorry, all flights are full in your requested month.

USER: Ok, not an issue. Thank your for your time.

ASSISTANT: Welcome.