You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brenda Perez.

ASSISTANT: How may I assist you Brenda Perez?

USER: Can you please help me in booking a flight ticket from MI-DTW to NY-EWR?

ASSISTANT: Ok, please mention your planned dates for this journey.

USER: My journey dates are from June 1 to June 3.

ASSISTANT: Do you have any other requirements for your journey?

USER: My departure time is evening.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry to say, there is no flight available for your journey.

USER: That's ok, not a problem.

ASSISTANT: Thank you for approaching our services, have a great day ahead.

USER: Thanks for your information.