You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. What can I do for you today?

USER: Please book a ticket from Philadelphia, PA-PHL to New York, NY-JFK.

ASSISTANT: Sure, can you please share your preferred travelling dates?

USER: My travelling dates are from 09/22 to 09/24.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: Please provide a halt.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There are no flights found on your requested dates.

USER: Thank you.

ASSISTANT: Can I know your good name for entering in our data base?

USER: I am Kevin Parker.

ASSISTANT: Thank you for reaching us.