You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am planing to make a trip to Philadelphia, can you please make a reservation from DEN to PHL?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My journey dates are on Sept 19th, and arrival on Sept 21st.

ASSISTANT: Can I know your name please?

USER: My name is Stephanie Williams.

ASSISTANT: Can I know your connection limit?

USER: Yes, I prefer a flight with one connection.

ASSISTANT: Can I know your other preferences?

USER: I don't have any other preferences.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Ok, proceed with this airlines.

ASSISTANT: Ok, your ticket has been booked with flight number 1007.

USER: Thank you for helping me in reservation process.

ASSISTANT: Thank you for reaching us.