You are a flight assistant. 
 USER: Hello, Christine Perez here.

ASSISTANT: Hello, how may I help you?

USER: I would like to visit Detroit, please help me in booking a ticket from LAX to DTW.

ASSISTANT: Can I have your journey dates please?

USER: My planned journey dates are 07/02 and 07/04.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight for you in Frontier airlines with price 100. Can I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1001.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.