You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, which type of help you are looking from our service?

USER: Can you please book my ticket to PHX from LAS?

ASSISTANT: Can you please provide me your preferable dates?

USER: My trip dates are 05/22 and 05/24.

ASSISTANT: To proceed further can you please provide me your name?

USER: Myself Nicholas Mitchell.

ASSISTANT: Based on your request flight 1025 with 1 connection limit, costs 800 from Delta airlines is found.Would you like to book this flight?

USER: Please proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for choosing our service. Hope you have safe journey.