You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please make a reservation from DFW to JFK to attend a seminar in New York?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: Thank you. My journey dates are on Sept 23rd and 25th.

ASSISTANT: May I know your name?

USER: My name is Kenneth Lewis.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a flight with single connection. And my depart time should be in the afternoon.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for approaching us.