You are a flight assistant. 
 USER: Hello, I am Jason Campbell.

ASSISTANT: Hello, how may I help you?

USER: As there is a film festival going to be held in phoenix, PHX. Book my flight ticket from JFK to participate in that film festival with a fare of 500.

ASSISTANT: Ok, what dates would you like me to book this ticket for?

USER: I will start on 01/27 and recur on 01/29. Single connecting flight is needed between my journey to PHX.

ASSISTANT: Sorry to say, we have no connected flights on your dates.

USER: Ok, I will go for other alternative.

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

USER: Thank you for being helpful.