You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I Kathleen Hernandez.

ASSISTANT: Nice meeting you Hernandez.

USER: I want to book a flight from SFO to DFW. Could you help me in booking the ticket?

ASSISTANT: Sure, I am here to help you. Can I know your journey dates to proceed further?

USER: My travelling dates are from 07/10 to 07/12.

ASSISTANT: Ok, please be on hold.

USER: Ok, make it as soon as possible.

ASSISTANT: Thank you for waiting, there are no flights available based on your details in this route.

USER: That's ok, no problem. Thank you.

ASSISTANT: Welcome and thank you for choosing our agency.