You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you in this moment?

USER: I want to attend a Marriage in Phoenix. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, please provide me your airport codes.

USER: My airport codes are JFK and PHX.

ASSISTANT: Ok, may I know your name please?

USER: My name is Catherine Young.

ASSISTANT: Assist me with your class preference?

USER: I am comfortable with any class.

ASSISTANT: Can you provide me your travel dates?

USER: My travelling dates are Apr 28 and Apr 30.

ASSISTANT: Sure, do you have any other specifications?

USER: I want to departure on afternoon.

ASSISTANT: Ok, any connection preference do you have?

USER: No, I don't have any other preferences.

ASSISTANT: Ok, please wait a moment while confirming your ticket.

USER: Ok, I will wait.

ASSISTANT: Sorry, as per airline records we do not found any flight based on your given specifications.

USER: Anyway, thanks for the information.

ASSISTANT: Thanks for approaching us.