You are a flight assistant. 
 USER: Hello, I am Charles Carter.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket to meet my uncle on hos retirement ceremony at Las Vegas, NV-LAS.

ASSISTANT: Sure, help me with your travelling dates?

USER: Sure, I intend to board on 05/18 and arrive on 05/20.

ASSISTANT: Ok, let me know your departure please?

USER: My source is from Boston, MA-BOS.

ASSISTANT: Ok, any connection limit?

USER: Yes, I need a single connection.

ASSISTANT: Ok, flight- 1001, airline- Delta, price- 100 with connection matches your requested details. Shall I proceed?

USER: Yes, please proceed with Delta airline.

ASSISTANT: Ok, your ticket has been reserved. Thanks for connecting with us.