You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Anna Martin.

ASSISTANT: Do you want me to help you with anything?

USER: I am looking for a flight on the route OAK to CLT, can you please find any airlines providing service on this route?

ASSISTANT: May I know your preferable dates?

USER: My travelling dates are 04/19 and 04/21.

ASSISTANT: There is a flight with price 100 and flight number is 1003. Is it ok for you?

USER: Please confirm the booking.

ASSISTANT: Thank you for the information. Your ticket is confirmed successfully.

USER: Thank you for the help.

ASSISTANT: Welcome.