You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to reserve my ticket from PHL to DTW to visit Detroit, can you please help me in booking?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable travel dates?

USER: Sure, my preferable dates of journey are from Jun, 03 to Jun, 05.

ASSISTANT: Which class do you prefer either economy or business?

USER: Yes, I want a economy class as my class preference.

ASSISTANT: Do you have any other specifications?

USER: Yes, I want a connecting flight to fly with it.

ASSISTANT: There are no flights found on this route as per your details.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for reaching us, have a great day. May I know your name please for documentation purpose?

USER: Sure, my name is Ruth King.

ASSISTANT: Most welcome, thank you for choosing our agency. Have a great day.

USER: Thank you.