You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be of your help?

USER: I am Ronald Lewis. I want to book a flight ticket to attend a meeting at PA-PHL from CO-DEN. Can you help me?

ASSISTANT: Sure, let me know your dates of journey.

USER: 06/12 and 06/14 are my travelling dates.

ASSISTANT: Do you need a connection within your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, give me a moment.

USER: Ok.

ASSISTANT: There is Delta airline available according to your request with flight number 1015 and price is 100.

USER: You can reserve it.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.