You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Janet Anderson, want to travel from SEA to DTW. Please help me.

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travel dates are from 01/11 to 01/13.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I want a single connection.

ASSISTANT: Do you have any particular time for departing and returning?

USER: My depart time and arrival time should be in the evening.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: It's ok, thank you.

ASSISTANT: You are welcome.