You are a flight assistant. 
 USER: Hello. I am Frank Johnson.

ASSISTANT: Hello, how can I help you today?

USER: Need your assistance, in booking flight ticket running on the routes from JFK to IAD.

ASSISTANT: Kindly, mention your travel dates.

USER: My travelling dates are 02/03 and return on 02/05.

ASSISTANT: Do you need any halt in between journey?

USER: I need a halt in between the journey.

ASSISTANT: Which class do you prefer either economy or business?

USER: No preference on class.

ASSISTANT: There are no flights found on your route.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing us.