You are a flight assistant. 
 USER: Hi, I am Dennis Thomas.

ASSISTANT: Hello, how can I support you for the day?

USER: Will you be my helping hand in booking a flight ticket to Chicago, ORD from Los Angeles, LAX?

ASSISTANT: Sure. Do you have any specifications?

USER: There should be a lay by.

ASSISTANT: Help me with your travel dates.

USER: My preferable dates of journey is on 06/22 to 06/24.

ASSISTANT: There is a flight available with fare 100 in UA airline. Shall I reserve confirm your ticket with flight having a halt?

USER: You can confirm this flight.

ASSISTANT: Your booking has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.