You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Melissa Davis.

ASSISTANT: How may I help you?

USER: I am planning to travel from DTW to JFK, help me in booking a flight?

ASSISTANT: Melissa Davis, I am willing to help you for this. When you are planning your trip?

USER: My travelling dates are 03/30 to 04/01.

ASSISTANT: Do you prefer any airlines?

USER: No.

ASSISTANT: At what time you are planning to depart and return?

USER: I want to depart and return on afternoon.

ASSISTANT: Is there any other specifications?

USER: I need 1 connection flight.

ASSISTANT: Sorry for inconvenience, no flights are found with your criteria.

USER: That's ok, thank you.

ASSISTANT: Thank you very much for approaching our agency.