You are a flight assistant. 
 USER: Hello. My name is Paul Smith.

ASSISTANT: Hello, how can I help you? Nice to meet you Smith.

USER: Could you help me in booking the ticket from CLT to DEN?

ASSISTANT: Ok, please provide your travelling dates?

USER: The dates of travel are from 03/02 to 03/04. Please make sure the connection is 0.

ASSISTANT: Sorry, there is no flight found with 0 connection limit.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank for communicating us with your query.