You are a flight assistant. 
 USER: Hello, I am Erick Rodriguez.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to celebrate beer festival with my friend's in Dallas, can you please help me to book a flight from SEA-DFW?

ASSISTANT: Sure, please help me with your travelling dates?

USER: My journey dates are from 11/14 to 11/16.

ASSISTANT: Ok, any requirements?

USER: Yes, I need a direct flight.

ASSISTANT: Ok, please wait for a while.

USER: OK.

ASSISTANT: Thanks for waiting, no flight found with your requested details.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thanks for choosing us.