You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am David Jones. I would like to go for a round trip to Philadelphia, PHL. Can you help me in booking?

ASSISTANT: Sure, we are euphoric to help you. Sure, Can you please let me know your travelling dates?

USER: 10/06 and 10/08 are my travel dates.

ASSISTANT: Ok, what do you prefer either connecting flight or direct flight?

USER: Connecting flight.

ASSISTANT: Thank you for providing all necessary details. Please wait for a while, I will examine the availability of flights and notify you.

USER: OK.

ASSISTANT: I found Delta airline is available on your dates which matches your essentials and it costs you only 200. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with connecting flight.

USER: Thank you.

ASSISTANT: Thank you, have a nice journey in flight number 1013.