You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Myself Jonathan Lopez. I want to travel Boston for meeting my grandmother in this summer holidays, can you please check is there any flight available from Las Vegas on 07/23?

ASSISTANT: Sure, may I know your airport codes?

USER: I want to leave from NV-LAS airport because it is near to my location and destination airport is MA-BOS.

ASSISTANT: Ok, could you provide me your return dates?

USER: Yes, please book my return ticket to LAS on 07/25.

ASSISTANT: Ok, wait for a minute.

USER: Ok.

ASSISTANT: Yes Lopez, I found a flight-1013 with UA airlines, can I proceed?

USER: Yes, I want this flight ticket, please book on my name.

ASSISTANT: Yes Lopez, your ticket is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us, have a safe journey.

USER: Welcome.