You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a connecting flight ticket to attend an event from MI. Can you help me?

ASSISTANT: Sure, can you provide your travel dates?

USER: Thank you, 08/15 and 08/17 are my travelling dates.

ASSISTANT: May I know your airport codes?

USER: DTW and LGA are my airport codes.

ASSISTANT: Do you have any other requirements?

USER: I would like to prefer an economy class.

ASSISTANT: Please mention your name to proceed further.

USER: Myself  Eric Lewis.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: I found an economy class ticket in Frontier airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: You can reserve it.

ASSISTANT: Your booking is done with flight number 1009.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.