You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What kind of assistance are you looking for?

USER: I need to book a flight ticket from ORD to DFW, can you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you to make a flight reservation but I need your travel dates to search a flight.

USER: Sure, my journey dates are Oct 14 and Oct 16.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I am comfortable with any flight.

ASSISTANT: Kindly share your name please.

USER: Sure, Paul Wright here.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: I would prefer depart time at afternoon.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting, we are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us.