You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ryan Hill here.

ASSISTANT: How can I help you?

USER: I want to visit Los Angles with my friends, so please book my ticket from DTW to LAX.

ASSISTANT: Sure, may I know your travelling dates?

USER: My itinerary dates are June 16 and June 18.

ASSISTANT: Is there any connection limit?

USER: I have no other preferences.

ASSISTANT: You have a connecting flight 1018 in Spirit airlines and price 100, Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for assisting me.

ASSISTANT: Thank you.