You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Michael Smith.

ASSISTANT: How may I assist you?

USER: Please book a flight ticket from PHX to JFK.

ASSISTANT: Sure, can I have your planned travel dates please?

USER: My travelling dates are 11/27 and 11/29.

ASSISTANT: Do you have any connection preference?

USER: I need a connecting flight.

ASSISTANT: May I know your specific timings of your journey?

USER: I want to depart in the evening.

ASSISTANT: Do you have any other specifications?

USER: I need a economy class ticket.

ASSISTANT: Michael Smith, no flights has been found on your planned travel dates.

USER: Ok, thank you for the response.

ASSISTANT: Thank you for approaching us.