You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emma Williams.

ASSISTANT: How may I assist you?

USER: I want to take my children to Detroit, can you please help me to book a flight ticket from PHX to DTW?

ASSISTANT: Sure, to book a ticket can I know your journey dates?

USER: Sure, my itinerary dates are Apr 30 and May 02.

ASSISTANT: Do you need any other requirements?

USER: My return time is afternoon.

ASSISTANT: Let me know your connection limit.

USER: I need a connecting flight.

ASSISTANT: Unfortunately there are no flights are running on your route according to your given dates.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for availing us.