You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Mary Nelson. I am planning to go for Boston to overview the city, Can you please book a ticket to BOS?

ASSISTANT: Sure, may I know your journey dates?

USER: My trip dates are 07/20 to 07/22.

ASSISTANT: Please share me your source point.

USER: Source code is Denver, DEN.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: We are glad to say that, we found an airline: Southwest, flight number: 1012 and price is 100.

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.