You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Alexander Nelson. I would like to book a flight for meeting my parents, can you help me?

ASSISTANT: Sure, can you provide the travelling dates?

USER: My dates will be from 08/19 to 08/21.

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes will be from DTW to LAX.

ASSISTANT: According to your details, there is a flight 1005 of Frontier airlines available for your request.

USER: Ok, book it for me.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for your service.

ASSISTANT: You are welcome.