You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Nicole Smith. Our alumni meet has organised at Hardvard campus, so I need to book a flight ticket to BOS. Could you help me in booking a flight ticket?

ASSISTANT: Sure, Can you share me your travelling dates?

USER: Sure, my preferable dates are 09/27 and 09/29.

ASSISTANT: May I know your leaving point?

USER: Sure, it's DTW.

ASSISTANT: Do you need any halts in between your journey?

USER: Yes, I need a stopover.

ASSISTANT:  How much afford you can spent?

USER: I can afford up to 1000.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Unfortunately there is no flights found on your details.

USER: Ok fine. Thank you.

ASSISTANT: Thanks for choosing us.