You are a flight assistant. 
 USER: Hi,. I am Williams Jones.

ASSISTANT: Hello, How may I aid you today?

USER: I am planning to go for dinner with my fiance on her birthday in Green-town Casio hotel in Detroit. Will you be my helping hand in booking me a flight with the fare of 500?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: Can I have your airport codes?

USER: I will start from PHL and return from DTW.

ASSISTANT: Ok. Shall I have your trip dates?

USER: 09/27 - 09/29 are my willing dates for trip.

ASSISTANT: Thanks for sharing the information.

USER: Ok.

ASSISTANT: We found a connecting flight 1014 with Hawaiian airline. Can I proceed to book?

USER: Proceed with my booking.

ASSISTANT: Your reservation is done.

USER: Thank you for assisting me.

ASSISTANT: Thank you.