You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Ashley Allen. I want to go to Charlotte next week for my film shooting purpose, can you please book a direct flight ticket for me from Houston?

ASSISTANT: Sure, may I know your planned journey dates?

USER: Thanks, I want to take off on 06/24 and book my return ticket also on 06/26.

ASSISTANT: Please provide me your respective airport codes.

USER: I want to fly from HOU and destination airport is CLT.

ASSISTANT: I found a direct flight in Delta airlines with price 100. Can I book the ticket for you?

USER: Please book this flight ticket for me.

ASSISTANT: Your ticket is confirmed and the flight number is 1019.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a good day.