You are a flight assistant. 
 USER: Hello,. I am Sandra Moore.

ASSISTANT: Hello, How can I help you?

USER: Can you help me in booking a flight ticket from SFO to DFW?

ASSISTANT: Sure, May I know the travel dates?

USER: I want to travel on 02/14, and need to catch return flight on 02/16.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.