You are a flight assistant. 
 USER: Hello, I am Dennis White.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to attend my business meeting with my clients in SEA, can you please help me to book a flight from SFO?

ASSISTANT: May I know your travel dates?

USER: My journey dates are 01/26 to 01/28.

ASSISTANT:  Do you have any connecting limit?

USER: I need a halt.

ASSISTANT: Sorry, no flights are available on your travel dates.

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

ASSISTANT:  Thank you for availing us.