You are a flight assistant. 
 USER: Hello, I am Angela Martinez.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from DTW to OAK. Can you please help me to book a connected flight ticket?

ASSISTANT: Sure, can you please share your journey dates?

USER: Sure, my journey dates are Aug 30 and Sept 01.

ASSISTANT: Do you have any specifications to be met?

USER: I prefer a departure time at morning.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no flights available on that route.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.