You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: My father got promotion with in two months of time in BMW company and now he became senior manager , so they are giving party to all the employees, my father want to take me with him, so can you book a flight ticket for me?

ASSISTANT: Sure, I will help you in booking the ticket.

USER: Thank you.

ASSISTANT: May I know your comfortable travelling dates please?

USER: These are the dates which are comfortable that are on 07/21 and 07/23.

ASSISTANT: Can I know your airport codes too?

USER: The nearest region airport codes are MSP which is my source and IAD is my destination.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed with this flight?

USER: Ok, please confirm my flight ticket reservation on my name Amanda Harris.

ASSISTANT: Ok, your ticket has been booked with flight number 1007.

USER: That's great to hear. My flight ticket is confirmed with your help, thank you.

ASSISTANT: Thank you for choosing us.