You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER:  I am Barbara Garcia want to meet my sister in New York,NY-JFK. Can you book a ticket from TX-DFW?

ASSISTANT: Sure, can I have your dates of journey please?

USER: My journey dates are 11/08 and 11/10.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Please wait a moment, I will check the details of flight and revert to you.

USER: Ok.

ASSISTANT: Sorry to inform, there is no flight found with your given details.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us.