You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Anna Thompson, want to travel from PHX to SFO. Please help me in booking my ticket.

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my travelling dates are from 08/28 to 08/30. Please check for direct flight.

ASSISTANT: Sorry, there is no direct flights available.

USER: It's ok, thank you.

ASSISTANT: Most welcome.