You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you?

USER: I am Kenneth Hernandez. I need a connecting flight to attend a event in PHL, Can you please make a reservation from DEN?

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are, depart on Dec 11th and arrival on 1. Arrival on Dec 13th.

ASSISTANT: Do you have any specifications?

USER: Price should not exceed 200.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found a direct flight of Frontier airlines which costs 100, shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.