You are a flight assistant. 
 USER: Hi. This is Carolyn Hall.

ASSISTANT: Hello, how may I aid you today?

USER: I have an appointment with Austin Senator in his office so, please help me in booking a flight ticket under 200 price range.

ASSISTANT: Sure, may I know your journey dates?

USER: Ok, my journey dates are 07/05 and 7/07.

ASSISTANT: Could you share your airport codes?

USER: Minneapolis & St. Paul, MN - MSP is my origin airport and TX - AUS is my destination airport.

ASSISTANT: Please wait a minute.

USER: OK.

ASSISTANT: We found a direct flight to your destination point, are you comfortable with direct flight?

USER: I am comfortable with that.

ASSISTANT: Ok, flight details are Delta airline, flight number as 1004 with the fare of 100.

USER: Perfect, you can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for availing us.