You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am looking for a flight from DEN to PHL, can you help me in booking?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: Sure, my planned travel dates are Dec 11 and Dec 13.

ASSISTANT: Is there any connection limit?

USER: Please look for a connecting flight.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself Jeffrey Roberts.

ASSISTANT: I found a ticket for you with price of 200, flight number is 1022 in economy class and connection is 1. Shall I proceed the booking?

USER: That's fine, please proceed with booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.