You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are Apr 11 and Apr 13.

ASSISTANT: Can I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Please let me know do you have any other preference?

USER: I prefer a economy class.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Here is a flight ticket with fare 100 and 1015 as flight number in United Airline. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is confirmed in economy class.

USER: Thank you for booking.

ASSISTANT: May I know your name for documentation purpose?

USER: Sure, my name is Amy Roberts.

ASSISTANT: Thank you for reaching us. Have a safe journey.