You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Alexander Baker want to attend a tournament in Detroit, can you book a flight on dates 04/16 and 04/18?

ASSISTANT: Sure, let me know your source and destination?

USER: Yes, I would like to travel from DEN to DTW.

ASSISTANT: Sure, let me check the availability of flight and revert to you.

USER: Ok.

ASSISTANT: We found a flight that matches your preferences with price 100. There is a Spirit airline and flight number is 1026. Should I proceed with the booking?

USER: Yes, proceed with my booking.

ASSISTANT: Your ticket booking has been completed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.