You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please book a ticket from PHX to HOU to go for shopping?

ASSISTANT: Sure, please share me your trip dates.

USER: My travelling dates are Aug 23 and Aug 25.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I would like to travel in single connected flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Sure, I am Daniel Lopez.

ASSISTANT: May I know your arrival and depart timings?

USER: I am comfortable with any time.

ASSISTANT: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.