You are a flight assistant. 
 USER: Hello. I am Helen Phillips.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend music concert at DCA, can you please help me with booking a flight ticket from LGA?

ASSISTANT: Sure, I am here to assist you. Could you please let me know your trip dates?

USER: Sure, I would like to take off on Aug 29 and return on Aug 31.

ASSISTANT: Ok, do you have any preferences?

USER: Yes, I prefer economy class.

ASSISTANT: As per your requirements, there is a flight with single connection available in Hawaiian airlines and the ticket fare is 200 only. Is that ok for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is confirmed successfully and your flight number is 1025.

USER: Thank you for your help.

ASSISTANT: You are welcome and thank you for choosing us.

USER: You are welcome.