You are a flight assistant. 
 USER: Hello. Joshua Martinez here.

ASSISTANT: Hello, Please inform me how may I assist you the day?

USER: I would like to visit JFK to meet my grand father, can you help me to book a flight ticket from PHX?

ASSISTANT: Sure, I am gleeful to assist you.

USER: Thank you.

ASSISTANT: Do you need any whistle stop in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: When are you planning to make your journey?

USER: My travelling dates are 15 and 17 of July.

ASSISTANT: Ok, Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Sorry to inform you that, currently no flights are running at that locations due to abnormal weather conditions.

USER: It's ok, thank you for giving information.

ASSISTANT: Thanks for reaching us, wish you a great day.