You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I be your helping hand today?

USER: I am Larry Carter. I want to book a flight ticket to meet my uncle in Las Vegas, will you help me in booking a flight ticket with a price limit of 500?

ASSISTANT: Sure, I am mirthful to help you. Do you need any connection in between your journey?

USER: I need a single connection in between my journey.

ASSISTANT: Help me with the source and destination airport codes?

USER: My source from MI - DTW and destination to NV - LAS.

ASSISTANT: When would you like me to book a ticket?

USER: My departure is 06/25 and return date on 06/27.

ASSISTANT: Ok, wait for a minute, I will revert you with the availability.

USER: Sure.

ASSISTANT: We are glad to inform you that, we found a JetBlue airline flight with number 1018, having 1 connection, with fare amount of 100. Would you like me to proceed next?

USER: You can proceed to booking.

ASSISTANT: Sure, your seat has been reserved successfully for a flight 1018.

USER: Thanks for your quick response.

ASSISTANT: Thank you for choosing us, Have a safe journey.