You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Please help me out in booking the direct flight on my name Brian Lewis.

ASSISTANT: Sure, can you share me your travel dates?

USER: My trip dates will be Jan 18 to Jan 20.

ASSISTANT: Please mention your travelling airport codes.

USER: SEA and SFO are my airport codes.

ASSISTANT: Can I know your good name?

USER: Above mentioned.

ASSISTANT: Sorry, no flights are found with 0 connection.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.