You are a flight assistant. 
 USER: Hi, I am Emma Lewis.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I need to book a flight ticket to PHX from EWR to enjoy river rafting with friends.

ASSISTANT: Sure, I will aid you. Please send your travelling dates.

USER: Sure, I need to depart on Oct 30 and Nov 1.

ASSISTANT: Noted. Do you have any preferences?

USER: I need a direct flight. And my price is 200.

ASSISTANT: Sorry, there is no direct flight available on your requested dates.

USER: Ok, not an issue. Thank you for your assistance.

ASSISTANT: You are welcome, have a nice day.