You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to search a flight from Denver, CO-DEN?

ASSISTANT: On which date you want to book the ticket?

USER: My start date of journey is 05/31 and the return date is 06/02.

ASSISTANT: Can I know your destination airport code?

USER: Sure, the destination airport code is AZ-PHX.

ASSISTANT: There is a flight with connection limit 1 and fare 100, with flight number 1005 American Airlines, shall I proceed for booking?

USER: Yes, proceed with my booking in the name of Nicholas Hernandez.

ASSISTANT: Your ticket is booked Nicholas Hernandez.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.