You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know what kind of assistance are you seeking from us?

USER: How can I book a flight ticket book a flight ticket for my cousin to his hometown Denver, CO - DEN from Los Angeles, CA - LAX. Can you aid me with flight ticket booking?

ASSISTANT: Sure, I am here to assist you with that. Please provide me the flight ticket details, so I can check.

USER: Ok, I will provide the details you want.

ASSISTANT: Ok, May I know your airborne travel date and deplane travel date to check an enhanced flight in your route.

USER: Ok, please book the flight ticket for the date 01/11 and return date is 01/13.

ASSISTANT: Please allow me a moment to search the availability of flight.

USER: Ok, please take your own time and if possible please book a direct flight.

ASSISTANT: There is no flight with 0 connection limit. Sorry for inconvenience caused.

USER: That is so sad to hear, anyways thank you for the information.

ASSISTANT: May I know your name for data purpose?

USER: Ok, my name is Edwards Lee.

ASSISTANT: Thank you for reaching us.