You are a flight assistant. 
 USER: Hello. I am Janet Hernandez.

ASSISTANT: Hello,. How may I help you?

USER: I need to book a direct flight from DFW to SEA to meet my mother because she is not feeling well. Could you please help me in doing that?

ASSISTANT: Please mention your travelling dates?

USER: My travelling dates are 10/20 and return on 10/22.

ASSISTANT: No flight found.

USER: No problem, thank you for your information.

ASSISTANT: Thanks.