You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nicole King here.

ASSISTANT: How can I help you?

USER: Can you please help me in booking a ticket from PHX to ORD? As I'm planning to visit my old college.

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my planned departure and return travel dates are 15th and 17th of July.

ASSISTANT: Do you have any connection limit?

USER: Yes, my maximum connection has to be 1.

ASSISTANT: Is there any airline preference?

USER: Yes, I prefer normal-cost airlines.

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: Oh! That's ok, thank you for giving the information.

ASSISTANT: Thank you.