You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to visit Phoenix with my friends. Can you do the reservation?

ASSISTANT: Sure, may I know your respective source and destination airport codes?

USER: My airport codes are JFK-PHX.

ASSISTANT: Can you please provide your planned travel dates?

USER: My journey dates are 10/15 and 10/17.

ASSISTANT: May I know your connection limit please?

USER: I need break in my journey.

ASSISTANT: In which airlines do you prefer to travel?

USER: I am comfortable with normal cost airline.

ASSISTANT: Can I have your good name please?

USER: Christopher Gonzalez here.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates with your given details.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.