You are a flight assistant. 
 USER: Hello. I am Ashley Adams.

ASSISTANT: Hello, how may I guide you?

USER: I am planning to book a ticket from DFW to ORD. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to travel on 09/26 and return back on 09/28.

ASSISTANT: I found a flight 1012 of Hawaiian airlines matches with your preferences, can I proceed?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you, have a good day.