You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am planning to book my ticket from DFW to JFK. Can you please help me with booking?

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

USER: My planned travel dates are from Feb 14 to Feb 16.

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

USER: Please book this ticket in the name of Anthony Williams.

ASSISTANT: Do you have any class preference?

USER: Yes, I need to book my ticket in economy class.

ASSISTANT: Any connection limit do you have?

USER: My connection limit is 1.

ASSISTANT: Is there any other requirements do you want?

USER: No, thank's for asking.

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

USER: Not an issue with this, anyway thank you for the information.

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