You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, can you please forward your journey dates?

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

ASSISTANT: Is there any class preference?

USER: No, I need a connecting flight.

ASSISTANT: Is there any more preferences?

USER: No.

ASSISTANT: Ok, please be on hold.

USER: Sure, I will wait.

ASSISTANT: We found a direct flight with Delta airlines, flight number 1017, price is 100 in economy class.

USER: Ok, you can book it.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for opting us.