You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Samantha Roberts, I have planned to visit Denver. Could you please help me with booking a flight ticket from PHX to DEN?

ASSISTANT: Can you please provide me your travelling dates?

USER: Sure, my traveling dates are form 03/29 to 03/31.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Thank you waiting, there is a flight with one connection and the airfare is 100. can I proceed with it?

USER: Sorry, I need a direct flight, please recheck with that.

ASSISTANT: Ok let me check with that. Sorry, there are no flights available with zero connections.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: Thank you for searching.