You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: I am Carolyn Gonzalez here, I want to reserve my ticket from PHX to DTW, can you please help me out?

ASSISTANT: Sure, I can help you and can you please mention your departure and arrival dates of your journey?

USER: Sure, my planned dates of journey are from Aug, 14 to Aug, 16.

ASSISTANT: Are you okay with connecting flight or you need any direct flight?

USER: I am ok with the connecting flight.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: Yes, I need a return time at afternoon.

ASSISTANT: Please give me a moment.

USER: Sure, take it.

ASSISTANT: Sorry to inform you that there is no flight that is moving towards your location on your dates.

USER: Ok, no problem.

ASSISTANT: You are most welcome and thank you for reaching us.

USER: Anyways, thank you for your service.

ASSISTANT: Welcome.