You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Steven Green, can you help me to book a flight ticket from LGA to ATL?

ASSISTANT: Sure, I am here to help you out. Please provide me your travel dates.

USER: Ok, my travel dates are 09/18 and 09/20 respectively.

ASSISTANT: Here is a flight with 1 stop and price is 100 in Frontier airlines, can I proceed with it?

USER: Ok.

ASSISTANT: Your ticket has been booked with 1021 flight/.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.