You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you book me a ticket from CLT to JFK?

ASSISTANT: Sure, let me know your trip dates please?

USER: I would start on Aug 4th and return on Aug 6th.

ASSISTANT: May I know your connection limit?

USER: I need 1 lay by.

ASSISTANT: Do you need any other preference?

USER: Yes, I am looking for an economy class and my depart time must be in the morning.

ASSISTANT: Can I know your name please?

USER: I am Kevin Adams.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you for contacting us.