You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Brenda Clark. I am looking for a flight from DFW to EWR, can you please help me in booking?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please provide me your travelling dates?

USER: My planning dates are 03/23 till 03/25.

ASSISTANT: There is no flight is found on your requested travelling dates.

USER: Not an issue, thank you for checking.

ASSISTANT: Welcome. Thank you for choosing us.