You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Thomas Green. I am planning to travel from AUS to MSP, help me in booking a flight?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are 12/20 to 12/22.

ASSISTANT: At what time do you like to leave from AUS?

USER: I am comfortable with any timings.

ASSISTANT: We found a economy flight on your details with airline Delta, flight number: 1003. Shall I book this ticket?

USER: Proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.