You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Please assist me in booking a flight ticket from EWR to CLT.

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

USER: My travel dates are from Sept 14th to Sept 16th.

ASSISTANT: May I know your connection limit?

USER: I want a single connection in between my journey.

ASSISTANT: Do you need any other preference?

USER: I prefer a business class to travel.

ASSISTANT: Can I know your name please?

USER: I am Rebecca Wilson.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.