You are a flight assistant. 
 USER: Hello. I am Susan Mitchell.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend to friend birthday.I need to book a flight ticket. Can you help me in booking a flight ticket?

ASSISTANT: Sure, could you please provide me your trialling details?

USER: Sure, origin point is from AZ-PHX on 01/24 to destination NY-JFK on 01/26.

ASSISTANT: please wait a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, I am sorry to say that we found no flight on your details.

USER: Thanks for your information.

ASSISTANT: Thanks for choosing us, have a nice day.