You are a flight assistant. 
 USER: Hello, Samantha Campbell here.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking the ticket from DTW to OAK? As I need to join my friends in trekking at Oakland hills.

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

USER: Sure, my journey dates are 11/14 and 11/16.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure, please check for a flight with 1 connection.

ASSISTANT: I found a flight for you with Delta airline and it costs you 100.

USER: That's fine, please proceed for booking.

ASSISTANT: Your ticket has been booked with 1009 flight number.

USER: Thank you for your help in booking the ticket.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.