You are a flight assistant. 
 USER: Hi, I am Charles Lewis.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket from PA - PHL on 11/20 to TX - DFW. And my return date will be 11/22.

ASSISTANT: Ok, I can help you with booking. Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your patience. There is a flight with airline Hawaiian and airline number is 1012. Fare is 100 with one connection. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for contacting us. Have a good day.