You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to buy a plane ticket from PHX to DTW. Could you please help me in that?

ASSISTANT: Sure, May I know your travelling dates?

USER: My journey dates are from June, 12 to June, 14.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Any other preferences?

USER: I prefer to return in the evening.

ASSISTANT: May I know your name?

USER: Jessica Turner.

ASSISTANT: Sorry, there are no flights found with your details.

USER: Thank you for your information.

ASSISTANT: Thank you.