You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight ticket from IAD to MSP?

ASSISTANT: Sure, please share your journey dates?

USER: I want to fly on May 19 and return on May 21.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your good name?

USER: Myself Angela Turner.

ASSISTANT: We found a flight in American airlines, flight number is 1005 with single connection and price is 100 economy class.

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.