You are a flight assistant. 
 USER: Hello. I am Helen Phillips.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to book a ticket to attend a meeting at DFW. Can you please help me out to book a ticket from ORD?

ASSISTANT: Sure, could you please share your travelling dates?

USER: I would like to travel on Oct 25 and return back on Oct 27.

ASSISTANT: Do you have any specifications to be met?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, unfortunately we have a direct flight on that route. Shall I proceed with the booking?

USER: No, don't  proceed that.

ASSISTANT: Ok.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.