You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking a flight ticket from CLT to PHL?

ASSISTANT: Let me know your travel dates.

USER: My travel dates are Feb 7th and Feb 9th.

ASSISTANT: Is there any connection limit?

USER: Yes, I am looking for a single connection.

ASSISTANT: Do you have any preference?

USER: No.

ASSISTANT: Can I know your name?

USER: Brain White.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thank you.