You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: Please help me to book a flight ticket from JFK to DFW.

ASSISTANT: Sure, will you please provide your preferable dates of travelling?

USER: My journey dates are from June, 30 to July, 02.

ASSISTANT: On whose name I have to book the flight ticket?

USER: I am Katherine Nelson.

ASSISTANT: Would you like to travel in a business class or in an economy class?

USER: I prefer an economy class.

ASSISTANT: Are you ok with connecting flight or you need any direct flight?

USER: I need a direct flight.

ASSISTANT: Please be on hold to check the flights.

USER: Ok.

ASSISTANT: We are apologize that, there are no direct flights running towards your region with your requested dates of travelling.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for approaching us, hope you have a great day.