You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I need to book a flight ticket from PHL to SEA, 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 scheduled dates are Apr 7 and Apr 9.

ASSISTANT: Please let me know if you need a connecting flight.

USER: I prefer maximum one connection.

ASSISTANT: May I know your name please?

USER: Jerry Gonzalez here.

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

USER: I want to fly in a business class.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

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 for your information.

ASSISTANT: Thank you for approaching us.