You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Richard Adams.

ASSISTANT: How may I help you?

USER: Can you please help me in reserving a flight ticket from LAS to SEA locations?

ASSISTANT: Sure, may I know your planned dates please?

USER: My travelling dates are from 12/11 and 12/13. Make sure that I want a direct flight.

ASSISTANT: Adams, no flights has been found on your requested dates.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for reaching us.