You are a flight assistant. 
 USER: Hello, I am Mary Allen.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend business meeting with my clients at Charlotte. Can you please book a ticket from LAX - CLT?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are 01/12 to 01/14.

ASSISTANT: At what price range are you looking for?

USER: I am looking for with in the range of 500.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1022. Shall reserve this ticket?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you so much for choosing us.