You are a flight assistant. 
 USER: Hello. I am George Hall.

ASSISTANT: Hello, how can I support you at present?

USER: I want to book a flight ticket from PHL to IAH. Could you help me in booking?

ASSISTANT: Sure, let me know your planned journey dates for booking.

USER: My travelling dates are from 09/19 to 09/21.

ASSISTANT: Ok, Do you prefer either connected flight or direct flight?

USER: I prefer connecting flight.

ASSISTANT: Ok, please standby.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a flight with couple of connections in Southwest airline. Can I proceed?

USER: Sorry, I usually go by flight with single connection.

ASSISTANT: Ok. Sorry, there were no flights to your location with single connection.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.