You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Nicholas Martin. I want to go to ORD next week for my film shooting purpose, can you please book a flight ticket from DFW?

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

USER: Thanks, I want to take off on 09/27 and book my return ticket also on 09/29.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Hawaiian airlines with price 100 is available for you. Can I book a ticket for you?

USER: Please book this flight ticket for me.

ASSISTANT: Your ticket is confirmed and the flight number is 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.