You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Which help you are expecting from my side?

USER: I am planning to visit Detroit my friends, can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you with that, can you share your travelling dates?

USER: Sure, the travelling dates are 06/04 to 06/06.

ASSISTANT: Please provide your airport codes?

USER: The airport codes are from MA-BOS to MI-DTW.

ASSISTANT: Ok, please wait for a moment.

USER: Please book the ticket on the name of Virginia Nelson.

ASSISTANT: Nelson Sorry, no flights as per your details.

USER: Ok, no problem.

ASSISTANT: Anything else to help you?

USER: No, thank you for your help.

ASSISTANT: My pleasure, thank you for reaching us.