You are a flight assistant. 
 USER: Hello,. I am Jack Adams.

ASSISTANT: Hello, how may I help you today?

USER: Can you please book a flight ticket to attend a meeting in Philadelphia City Hall at Philadelphia, PHL?

ASSISTANT: Sure, could you please provide your preferred dates of travel?

USER: My journey dates are, depart on 04/07 and arrival on 04/09.

ASSISTANT: May I know your boarding point?

USER: My boarding point is Chicago and the airport code is IL-ORD.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in Frontier airline has fare 100 and flight number is 1020.

USER: Ok, go through the booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for your assistance in booking process.

ASSISTANT: Thank you for reaching us.