You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Paul Martinez. I would like to book a flight ticket from SEA to DTW.

ASSISTANT: Sure, may I know your travel dates to proceed?

USER: Sure, I am planning to start on 03/17 and fly back on 03/19.

ASSISTANT: Please give me a minute to check.

USER: Ok, please take your possible time.

ASSISTANT: Sorry Paul, no flights are available on your name.

USER: Ok, thank you for the useful information.

ASSISTANT: Thank you for reaching us. You are most welcome.