You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I am planning to visit New York, please help me in booking my ticket.

ASSISTANT: Sure, may I know your journey dates please?

USER: My preferred dates of travelling are from 10/18 to 10/20.

ASSISTANT: Can you please provide your airport codes?

USER: I have planned to move from PHX to JFK.

ASSISTANT: May I know your name please?

USER: Myself Scott Phillips.

ASSISTANT: Scott, no flights has been found on your requested details.

USER: Ok, thanks for checking.

ASSISTANT: Thank you for choosing us.