You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you today?

USER: I want to visit the white house which is located in Washington, IAD. Can you avail me to book a flight ticket?

ASSISTANT: Sure, let me know your trip dates?

USER: My travel dates are Apr 30 and May 02.

ASSISTANT: May I know your source airport code?

USER: My source is from Minneapolis & St. Paul, MSP.

ASSISTANT: Any preferences?

USER: I need a break.

ASSISTANT: Please share your name to proceed further.

USER: Joshua Edwards here.

ASSISTANT: Frontier Airlines has a connecting flight with number 1003 for fare 100, shall I proceed?

USER: Please make it confirm.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.