You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Emma Roberts.

ASSISTANT: Ok.

USER: I want to book a flight ticket to Phoenix to meet my grandparents.

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: I prefer to leave on 04/03 and return on 04/05.

ASSISTANT: Ok, may I know your airport codes?

USER: I want to fly from PHL to PHX.

ASSISTANT: Please mention your price limit.

USER: Price limit is 500.

ASSISTANT: There is a Hawaiian 1018 airline which matches your requested dates. Shall I proceed with booking?

USER: Proceed.

ASSISTANT: Your booking has been confirmed on name of Emma Roberts.

USER: Thank you.

ASSISTANT: Thank you for approaching us.