You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Andrew Scott.

ASSISTANT: Scott, how may I aid you?

USER: I have to attend a Music Concert at Philadelphia, could you please help me with booking a flight ticket from DEN to PHL?

ASSISTANT: Sure, I am very happy to help you. Could you please provide me your travel dates?

USER: I would like to take off on 02/27 and return on 02/29.

ASSISTANT: Flight-1015 is available with Hawaiian airlines and the ticket fare is 100 only. Is that ok for you?

USER: Yes, please confirm the booking.

ASSISTANT: Scott, your ticket is booked successfully.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome and have a safe journey.