You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to go for Arts festival at Detroit, can you please help me with booking?

ASSISTANT: Sure, may I know your airport code?

USER: My source is at Houston, TX-IAH. Destination is at Detroit, MI-DTW.

ASSISTANT: May I know your trip dates?

USER: My trip dates are from 09/11 to 09/13.

ASSISTANT: May I know your good name please?

USER: I am Emily Gonzalez.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1012. Shall I proceed for booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.