You are a flight assistant. 
 USER: Hi, I am Nancy Hall.

ASSISTANT: Hello, how can I help you?

USER: I want to attend a Flower festival celebrations at Phoenix, AZ-PHX, can you please book me a ticket?

ASSISTANT: Sure, I am here to help you, may I know your travelling dates?

USER: My travelling dates are from 04/02 to 04/04.

ASSISTANT: May I know your source code?

USER: My source airport code is Las Vegas, NV-LAS.

ASSISTANT: Please mention your price limit.

USER: My price limit is 5000.

ASSISTANT: There is a Hawaiian 1009 with single stopover which matches your travelling dates. Shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking has been confirmed on name of Nancy Hall.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.