You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I oblige you today?

USER: Can you please book a flight ticket from PHL to LAS?

ASSISTANT: Sure, when do you want to start and return on?

USER: I want to travel in Mar from 20th to 22nd.

ASSISTANT: Do you need a stopover flight?

USER: Yes.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Can I know your good name?

USER: Alexander Anderson here.

ASSISTANT: Thank you for your details, we found a direct flight 1027 in class economy which is in United airline. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.