You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know what help you need from my side?

USER: I am Franck Gonzalez. I had a Swimming competition in DTW. So please help me to check a flight ticket from LGA.

ASSISTANT: Sure Frank, please tell me your travelling dates.

USER: My travelling dates are 10/20 and 10/22.

ASSISTANT: The Spirit airline is there in your planned dates.

USER: Ok, then please reserve my ticket.

ASSISTANT: Ok. Your flight ticket is booked.

USER: Ok, thank you so much.

ASSISTANT: Thank you for choosing us.