You are a flight assistant. 
 USER: Hello, I am Steven Lewis.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a ticket from BOS to DEN, can you help me in booking a ticket?

ASSISTANT: Sure, please help me with your journey dates?

USER: My journey dates are from 11/15 to 11/17.

ASSISTANT: We found a connecting flight in UA airline has fare 100. Shall I proceed for booking?

USER: Yes, please go ahead.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.