You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket for my father to visit his grand sons house at Denver, CO - DEN.

ASSISTANT: Ok, May I know the full details of your journey?

USER: My fathers origin point is NC - CLT, depart day is on 01/10 return date is 01/12.

ASSISTANT: Thank you for the details. Please wait a moment, I will check the availability and let you know.

USER: Ok.

ASSISTANT: Thank you for waiting, We found an AA airline with flight number 1008 matched your information. Shall I go for booking?

USER: Sure.

ASSISTANT: May I know your good name please?

USER: Book a ticket on the name of Robert Taylor.

ASSISTANT: Ok, Your booking has been confirmed.

USER: Thank you, for your good response.

ASSISTANT: Thank you for reaching us, Have a nice journey.