You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Andrew Robinson here, I need to go PHX from JFK to attend seminar. can you please aid me in booking my ticket?

ASSISTANT: Sure, please share your journey dates?

USER: My seminar is on Jan 13th so I am planning to go on that day and return 15th Jan.

ASSISTANT: Do you have any specifications?

USER: I need one connection between my trip.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: Sorry, no flights found on your given details.

USER: No problem, thank you for helping.

ASSISTANT: Thank you for choosing us.