You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Cynthia Clark, I need a direct flight for my journey to HOU as I am in an emergency. Can you please help me to book a flight ticket from DFW?

ASSISTANT: Sure, I will help you in booking the ticket.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my travelling dates are 10/30 and 11/01.

ASSISTANT: Sorry, there are no flights found.

USER: Not a problem, I will go with another resources. Anyway thank you for the help.

ASSISTANT: Thank you for reaching us.