You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Anthony Phillips here. I need a attend a business meeting at San Francisco, can you please help me in booking a flight ticket from DEN to SFO?

ASSISTANT: Yes, I can help you. Can you share me your travelling dates?

USER: Sure, my preferable travelling dates are 10/30 to 11/01.

ASSISTANT: Give me a moment.

USER: Ok, take your time.

ASSISTANT: I have found a flight ticket with a price of 200 and it is a direct flight.

USER: Can you please check for a connecting flight?

ASSISTANT: Sorry, there is no connecting flight found.

USER: It's ok, no problem I will check out with another agency. Thank you for the information.

ASSISTANT: Thank you for reaching our agency.