You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Pamela Phillips.

ASSISTANT: Ok.

USER: I would like to book a flight ticket from Boston MA-BOS, can you please assist me in booking a flight ticket to Detroit MI-DTW?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: My travelling dates are 11/22 and 11/24.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights found on your requested travelling dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us, have a nice day.