You are a flight assistant. 
 USER: Hello. I am Alexander Adams.

ASSISTANT: Hello, how can I serve you?

USER: I would like to travel to Detroit, DTW to visit Belle Isle Park. Can you help me in booking a flight ticket from Las Vegas, LAS?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: I am planning to depart on 09/15 and return on 09/17.

ASSISTANT: Do you have any preferences?

USER: Price must be under 200.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting. You have a flight 1027 in Frontier airline and price 100 with a connection, Shall I proceed?

USER: You can reserve my ticket with  this flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you.