You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Donald Miller. I am planning to travel from WER to MSP.

ASSISTANT: Sure Miller, can I know the travel dates please?

USER: My travelling dates are 12/05 to 12/07.

ASSISTANT: There is a flight in Delta airline with price 200, can I book it?

USER: Proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1015.

USER: Thank you.

ASSISTANT: Thank you for choosing us.