You are a flight assistant. 
 USER: Hello, I am Virginia Robinson.

ASSISTANT: Hello, how may I help you today?

USER: I would like to visit Arizon Desert in Phoenix, AZ - PHX. Can you please book a connecting flight?

ASSISTANT: Sure, help me with the trip dates?

USER: My departure date is on 08/26 and arrival date is on 08/28.

ASSISTANT: Can I have your source airport code?

USER: I am willing to start my journey from Las Vegas, NV - LAS.

ASSISTANT: We have found a flight in an airline Delta with 1008 number having a single connection price of 100.

USER: Ok, please book my flight ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your assistance.

ASSISTANT: Thank you for your approach.