You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Laura Wright.

ASSISTANT: How can I help you Laura?

USER: I would like to travel to Detroit on a business meet. Can you help me in booking a ticket from BOS to DTW?

ASSISTANT: Please tell me your travel dates.

USER: My planned journey dates are 11/18 and 11/20.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry Laura, no flight is available on your route.

USER: Ok, thank you for the information.

ASSISTANT: Most welcome.