You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: My name is Anna Johnson.

ASSISTANT: Anna, how can I help you today?

USER: I want to visit to PHX for business meet can you book a ticket from CLT?

ASSISTANT: Sure, how long your trip?

USER: My travel dates are 10/29 and 1031.

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Based on your request, there is a flight with airline Spirit and flight_number 1000 . Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been booked with price 100. Have a safe journey.

USER: Thank you for booking.

ASSISTANT: It's my pleasure.