You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Morning.

USER: My name is Margaret Baker.

ASSISTANT: How may I aid you?

USER: I'm planning to visit Detroit to attend an event, so I am searching for a flight on dates from 04/14 to 04/16.

ASSISTANT: Sure, can I know your source and destination airport codes?

USER: I would like to travel from PHL to DTW.

ASSISTANT: Please hold on for a moment, let em check.

USER: Ok.

ASSISTANT: I found a flight 1011 of frontier airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you, have a good day.