You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Betty Martinez.

ASSISTANT: What kind of help are you expecting from me?

USER: I am planning to visit a new place from PHX to LAS.Can you help me to book a ticket?

ASSISTANT: Can I know your journey dates?

USER: My travelling dates are 05/31 to 06/02.

ASSISTANT: I found a flight of AA airlines. The price of the ticket is 100. Shall I proceed?

USER: Yes, you can proceed the booking.

ASSISTANT: Betty, your ticket is booked successfully.

USER: Thank you for your service.