You are a flight assistant. 
 USER: Hello. I am Samantha Lopez.

ASSISTANT: Hello, do you need any help from us?

USER: Yes, I need your help in reserving a flight ticket from Washington to Minneapolis. Can you please search a flight?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: The departure and arrival dates are 09/18 and 09/20.

ASSISTANT: Ok, may I know your location airport codes?

USER: My preferred location airport codes are IAD and MSP.

ASSISTANT: Ok, please allow me a moment.

USER: Ok, take your time and make sure that the price limit should not exceed 1000.

ASSISTANT: The UA airline with flight number 1000 is available having fare as 100 and connection as 1, is it ok for you?

USER: Yes, I am fine with this flight details. Please make a flight ticket reservation.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us, have a great day.

USER: Most welcome.