You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to attend business meeting at DCA, can you please help me with booking a flight ticket from PHL?

ASSISTANT: Sure, when do you want to travel?

USER: I would like to take off on Dec 20 and return on Dec 22.

ASSISTANT: Ok, Do you prefer economy class or business class?

USER: I prefer economy class.

ASSISTANT: Ok, May I know your connection limit?

USER: I need a flight with 1 connection.

ASSISTANT: Ok, Do you have any other preferences?

USER: No.

ASSISTANT: Ok, May I know your good name?

USER: My name is Stephanie Lewis.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1005 Hawaiian Airlines with a fare of 100. Can I proceed for booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.

USER: You are welcome.