You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be your helping hand for the day?

USER: I want to attend a family function at Philadelphia, PA-PHL, can you please help me in booking a ticket?

ASSISTANT: Ok. May I have your boarding point?

USER: My boarding point is Denver, CO-DEN.

ASSISTANT: Help me with your journey dates.

USER: My journey dates are from 10/18 to 10/20.

ASSISTANT: Is  there any specifications?

USER: My price limit is 200.

ASSISTANT: May I have your name please?

USER: I am Timothy Campbell.

ASSISTANT: You have a flight with 1 connection of price 200 in Hawaiian airline. Can I reserve it?

USER: Ok, please reserve my ticket.

ASSISTANT: Reservation has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for picking us, have a great journey.